diff --git a/Core/pom.xml b/Core/pom.xml
index 16b72fd..6a5becc 100644
--- a/Core/pom.xml
+++ b/Core/pom.xml
@@ -13,6 +13,13 @@
     <packaging>jar</packaging>
 
     <name>PandaLib-Core</name>
+    
+    <repositories>
+    	<repository>
+	      <id>sonatype-oss-snapshots</id>
+	      <url>https://oss.sonatype.org/content/repositories/snapshots/</url>
+	    </repository>
+    </repositories>
 	
     <dependencies>
         <dependency>
@@ -21,6 +28,19 @@
             <version>${bungeecord.version}</version>
             <scope>compile</scope>
         </dependency>
+        
+        <dependency>
+		    <groupId>net.kyori</groupId>
+		    <artifactId>adventure-api</artifactId>
+		    <version>4.7.0</version>
+		 </dependency>
+		 <dependency>
+			<groupId>net.kyori</groupId>
+			<artifactId>adventure-platform-bungeecord</artifactId>
+			<version>4.0.0-SNAPSHOT</version>
+		</dependency>
+		 
+		 
         <dependency>
 		    <groupId>io.github.classgraph</groupId>
 		    <artifactId>classgraph</artifactId>
diff --git a/Core/src/main/java/fr/pandacube/lib/core/chat/Chat.java b/Core/src/main/java/fr/pandacube/lib/core/chat/Chat.java
index 8d91f41..e3c13a8 100644
--- a/Core/src/main/java/fr/pandacube/lib/core/chat/Chat.java
+++ b/Core/src/main/java/fr/pandacube/lib/core/chat/Chat.java
@@ -1,39 +1,53 @@
 package fr.pandacube.lib.core.chat;
 
 import java.awt.Color;
-import java.util.UUID;
+import java.util.Objects;
 import java.util.function.Supplier;
+import java.util.function.UnaryOperator;
 
+import org.checkerframework.checker.nullness.qual.NonNull;
+
+import net.kyori.adventure.key.Key;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.ComponentLike;
+import net.kyori.adventure.text.TextComponent;
+import net.kyori.adventure.text.event.ClickEvent;
+import net.kyori.adventure.text.event.HoverEvent;
+import net.kyori.adventure.text.event.HoverEventSource;
+import net.kyori.adventure.text.format.Style;
+import net.kyori.adventure.text.format.TextColor;
+import net.kyori.adventure.text.format.TextDecoration;
+import net.kyori.adventure.text.format.TextDecoration.State;
+import net.kyori.adventure.text.serializer.bungeecord.BungeeComponentSerializer;
+import net.kyori.adventure.text.serializer.legacy.LegacyComponentSerializer;
 import net.md_5.bungee.api.ChatColor;
 import net.md_5.bungee.api.chat.BaseComponent;
-import net.md_5.bungee.api.chat.ClickEvent;
-import net.md_5.bungee.api.chat.HoverEvent;
-import net.md_5.bungee.api.chat.ItemTag;
-import net.md_5.bungee.api.chat.TextComponent;
-import net.md_5.bungee.api.chat.hover.content.Content;
-import net.md_5.bungee.api.chat.hover.content.Entity;
-import net.md_5.bungee.api.chat.hover.content.Item;
-import net.md_5.bungee.api.chat.hover.content.Text;
 
-public abstract class Chat extends ChatStatic {
+public abstract class Chat extends ChatStatic implements HoverEventSource<Component>, ComponentLike {
 	
-	protected BaseComponent component;
+	protected Component component;
 	protected boolean console = false;
 	
-	public Chat(BaseComponent c) {
+	public Chat(Component c) {
+		Objects.requireNonNull(c, "Provided component must not be null");
 		component = c;
 	}
 	
 	public BaseComponent get() {
+		return toBungee(component);
+	}
+	
+	
+	public Component getAdv() {
 		return component;
 	}
 	
 	public BaseComponent[] getAsArray() {
-		return new BaseComponent[] { component };
+		return toBungeeArray(component);
 	}
 	
 	public String getLegacyText() {
-		return component.toLegacyText();
+		return LegacyComponentSerializer.legacySection().serializeOr(component, "");
 	}
 	
 	
@@ -41,30 +55,30 @@ public abstract class Chat extends ChatStatic {
 	
 	
 	
+	
 	public Chat then(BaseComponent subComponent) {
-		// here are some optimizations to avoid unnecessary component nesting
-		if (subComponent instanceof TextComponent) {
-			TextComponent txtComp = (TextComponent) subComponent;
-			if (!txtComp.hasFormatting() && (txtComp.getText() == null || txtComp.getText().isEmpty())) {
+		return then(toAdventure(subComponent));
+	}
+	public Chat then(Chat comp) {
+		return then(comp.getAdv());
+	}
+	public Chat then(BaseComponent[] components) {
+		return then(toAdventure(components));
+	}
+	public Chat then(Component comp) {
+		if (comp instanceof TextComponent) {
+			TextComponent txtComp = (TextComponent) comp;
+			if (!txtComp.hasStyling() && (txtComp.content() == null || txtComp.content().isEmpty())) {
 				// no need to add the provided component to the current component.
 				// but eventual child component must be added
-				if (txtComp.getExtra() != null) {
-					for (BaseComponent child : txtComp.getExtra())
+				if (txtComp.children() != null && !txtComp.children().isEmpty()) {
+					for (Component child : txtComp.children())
 						then(child);
 				}
 				return this;
 			}
 		}
-		component.addExtra(subComponent);
-		return this;
-	}
-	public Chat then(Chat comp) { return then(comp.get()); }
-	public Chat then(BaseComponent[] components) {
-		if (components != null) {
-			for (BaseComponent c : components) {
-				then(c);
-			}
-		}
+		component.append(comp);
 		return this;
 	}
 	
@@ -82,7 +96,7 @@ public abstract class Chat extends ChatStatic {
 	
 	public Chat thenPlayerName(String legacyText) { return then(playerNameText(legacyText)); }
 	
-	public Chat thenNewLine() { return thenText("\n"); }
+	public Chat thenNewLine() { return then(Component.newline()); }
 	
 	public Chat thenLegacyText(Object legacyText) { return then(legacyText(legacyText)); }
 	
@@ -90,7 +104,7 @@ public abstract class Chat extends ChatStatic {
 	
 	public Chat thenKeyBind(String key) { return then(keybind(key)); }
 	
-	public Chat thenScore(String name, String objective, String value) { return then(score(name, objective, value)); }
+	public Chat thenScore(String name, String objective) { return then(score(name, objective)); }
 	
 	
 
@@ -191,13 +205,14 @@ public abstract class Chat extends ChatStatic {
 	
 	
 	public static class FormatableChat extends Chat {
-		public FormatableChat(BaseComponent c) {
+		public FormatableChat(Component c) {
 			super(c);
 		}
 		
 		public FormatableChat console(boolean c) { console = c; return this; }
-		
-		public FormatableChat color(ChatColor c) { component.setColor(c); return this; }
+
+		public FormatableChat color(TextColor c) { component.color(c); return this; }
+		public FormatableChat color(ChatColor c) { return color(TextColor.color(c.getColor().getRGB())); }
 		public FormatableChat color(Color c) { return color(ChatColor.of(c)); }
 		public FormatableChat color(String c) { return color(ChatColor.of(c)); }
 		
@@ -224,63 +239,52 @@ public abstract class Chat extends ChatStatic {
 		public FormatableChat dataColor() { return color(config.dataColor); }
 		public FormatableChat decorationColor() { return color(config.decorationColor); }
 		
-		public FormatableChat font(String f) { component.setFont(f); return this; }
+		private FormatableChat setStyle(UnaryOperator<Style> styleOp) {
+			component.style(styleOp.apply(component.style()));
+			return this;
+		}
+		private FormatableChat setDecoration(TextDecoration deco, Boolean state) {
+			return setStyle(s -> s.decoration(deco, State.byBoolean(state)));
+		}
 		
-		public FormatableChat bold(Boolean b) { component.setBold(b); return this; }
+		public FormatableChat font(Key f) { return setStyle(s -> s.font(f)); }
+		
+		public FormatableChat bold(Boolean b) { return setDecoration(TextDecoration.BOLD, b); }
 		public FormatableChat bold() { return bold(true); }
 		
-		public FormatableChat italic(Boolean i) { component.setItalic(i); return this; }
+		public FormatableChat italic(Boolean i) { return setDecoration(TextDecoration.ITALIC, i); }
 		public FormatableChat italic() { return italic(true); }
 		
-		public FormatableChat underlined(Boolean u) { component.setUnderlined(u); return this; }
+		public FormatableChat underlined(Boolean u) { return setDecoration(TextDecoration.UNDERLINED, u); }
 		public FormatableChat underlined() { return underlined(true); }
 	    
-		public FormatableChat strikethrough(Boolean s) { component.setStrikethrough(s); return this; }
+		public FormatableChat strikethrough(Boolean s) { return setDecoration(TextDecoration.STRIKETHROUGH, s); }
 		public FormatableChat strikethrough() { return strikethrough(true); }
 	    
-		public FormatableChat obfuscated(Boolean o) { component.setObfuscated(o); return this; }
+		public FormatableChat obfuscated(Boolean o) { return setDecoration(TextDecoration.OBFUSCATED, o); }
 		public FormatableChat obfuscated() { return obfuscated(true); }
 	    
-		public FormatableChat shiftClickInsertion(String i) { component.setInsertion(i); return this; }
+		public FormatableChat shiftClickInsertion(String i) { component.insertion(i); return this; }
 		
-		private FormatableChat clickEvent(ClickEvent e) { component.setClickEvent(e); return this; }
-		private FormatableChat clickEvent(ClickEvent.Action a, String v) { return clickEvent(new ClickEvent(a, v)); }
-		public FormatableChat clickCommand(String cmdWithSlash) { return clickEvent(ClickEvent.Action.RUN_COMMAND, cmdWithSlash); }
-		public FormatableChat clickSuggest(String cmdWithSlash) { return clickEvent(ClickEvent.Action.SUGGEST_COMMAND, cmdWithSlash); }
-		public FormatableChat clickClipboard(String value) { return clickEvent(ClickEvent.Action.COPY_TO_CLIPBOARD, value); }
-		public FormatableChat clickURL(String url) { return clickEvent(ClickEvent.Action.OPEN_URL, url); }
-		public FormatableChat clickBookPage(int page) { return clickEvent(ClickEvent.Action.CHANGE_PAGE, Integer.toString(page)); }
+		private FormatableChat click(ClickEvent e) { component.clickEvent(e); return this; }
+		public FormatableChat clickCommand(String cmdWithSlash) { return click(ClickEvent.runCommand(cmdWithSlash)); }
+		public FormatableChat clickSuggest(String cmdWithSlash) { return click(ClickEvent.suggestCommand(cmdWithSlash)); }
+		public FormatableChat clickClipboard(String value) { return click(ClickEvent.copyToClipboard(value)); }
+		public FormatableChat clickURL(String url) { return click(ClickEvent.openUrl(url)); }
+		public FormatableChat clickBookPage(int page) { return click(ClickEvent.changePage(page)); }
 
-		private FormatableChat hoverEvent(HoverEvent e) { component.setHoverEvent(e); return this; }
-		private FormatableChat hoverEvent(HoverEvent.Action a, Content v) { return hoverEvent(new HoverEvent(a, v)); }
-		private FormatableChat hoverText(Text v) { return hoverEvent(HoverEvent.Action.SHOW_TEXT, v); }
-		@SuppressWarnings("deprecation")
-		public FormatableChat hoverText(BaseComponent v) {
-			try {
-				return hoverText(new Text( new BaseComponent[] {v}));
-			} catch (NoSuchMethodError e) {
-				return hoverEvent(new HoverEvent(HoverEvent.Action.SHOW_TEXT, new BaseComponent[] {v}));
-			}
-		}
-		public FormatableChat hoverText(Chat v) { return hoverText(v.get()); }
-		public FormatableChat hoverText(String legacyText) { return hoverText(legacyText(legacyText)); }
-		private FormatableChat hoverItem(Item v) { return hoverEvent(HoverEvent.Action.SHOW_ITEM, v); }
-		/** @param id namespaced item id */
-		public FormatableChat hoverItem(String id, int stackSize, ItemTag tag) { return hoverItem(new Item(id, stackSize, tag)); }
-		/** @param id namespaced item id */
-		public FormatableChat hoverItem(String id, int stackSize) { return hoverItem(id, stackSize, null); }
-		/** @param id namespaced item id */
-		public FormatableChat hoverItem(String id, ItemTag tag) { return hoverItem(id, -1, tag); }
-		/** @param id namespaced item id */
-		public FormatableChat hoverItem(String id) { return hoverItem(id, -1, null); }
-		public FormatableChat hoverEntity(Entity e) { return hoverEvent(HoverEvent.Action.SHOW_ENTITY, e); }
-		/** @param type namespaced entity type
-		 * @param id cannot be null */
-		public FormatableChat hoverEntity(String type, UUID id, BaseComponent displayName) { return hoverEntity(new Entity(type, id.toString(), displayName)); }
-		/** @param type namespaced entity type
-		 * @param id cannot be null */
-		public FormatableChat hoverEntity(String type, UUID id) { return hoverEntity(type, id, null); }
+		public FormatableChat hover(HoverEventSource<?> e) { component.hoverEvent(e); return this; }
+		public FormatableChat hover(Chat v) { return hover(v.getAdv()); }
+		public FormatableChat hover(BaseComponent v) { return hover(toAdventure(v)); }
+		public FormatableChat hover(BaseComponent[] v) { return hover(toAdventure(v)); }
+		public FormatableChat hover(String legacyText) { return hover(legacyText(legacyText)); }
 		
+		@Deprecated
+		public FormatableChat hoverText(BaseComponent v) { return hover(v); }
+		@Deprecated
+		public FormatableChat hoverText(Chat v) { return hover(v); }
+		@Deprecated
+		public FormatableChat hoverText(String legacyText) { return hover(legacyText); }
 		
 	}
 	
@@ -289,6 +293,18 @@ public abstract class Chat extends ChatStatic {
 	
 	
 	
+	@Override
+	public @NonNull HoverEvent<Component> asHoverEvent(@NonNull UnaryOperator<Component> op) {
+		return HoverEvent.showText(op.apply(getAdv()));
+	}
+	
+	@Override
+	public @NonNull Component asComponent() {
+		return getAdv();
+	}
+	
+	
+	
 	
 	
 	
@@ -305,9 +321,51 @@ public abstract class Chat extends ChatStatic {
 		}
 		return values;
 	}
+
+	/* package */ static ComponentLike[] filterObjToComponentLike(Object[] values) {
+		if (values == null)
+			return null;
+		ComponentLike[] ret = new ComponentLike[values.length];
+		for (int i = 0; i < values.length; i++) {
+			Object v = values[i];
+			if (v instanceof Chat)
+				ret[i] = ((Chat) v).getAdv();
+			else if (v instanceof BaseComponent[])
+				ret[i] = toAdventure((BaseComponent[]) v);
+			else if (v instanceof BaseComponent)
+				ret[i] = toAdventure((BaseComponent) v);
+			else
+				ret[i] = Component.text(Objects.toString(v));
+		}
+		return ret;
+	}
+	
+
+	/* package */ static Component toAdventure(BaseComponent[] components) {
+		return BungeeComponentSerializer.get().deserialize(components);
+	}
+	/* package */ static Component toAdventure(BaseComponent component) {
+		return toAdventure(new BaseComponent[] { component });
+	}
+	
+	/* package */ static BaseComponent[] toBungeeArray(Component component) {
+		return BungeeComponentSerializer.get().serialize(component);
+	}
+	/* package */ static BaseComponent toBungee(Component component) {
+		BaseComponent[] arr = toBungeeArray(component);
+		return arr.length == 1 ? arr[0] : new net.md_5.bungee.api.chat.TextComponent(arr);
+	}
 	
 	
 	
+	public static Chat italicFalseIfNotSet(Chat c) {
+		if (c instanceof FormatableChat) {
+			if (c.component.style().decoration(TextDecoration.ITALIC) == State.NOT_SET)
+				((FormatableChat) c).italic(false);
+		}
+		return c;
+	}
+	
 	
 	
 	
diff --git a/Core/src/main/java/fr/pandacube/lib/core/chat/ChatStatic.java b/Core/src/main/java/fr/pandacube/lib/core/chat/ChatStatic.java
index e5cee07..4d19145 100644
--- a/Core/src/main/java/fr/pandacube/lib/core/chat/ChatStatic.java
+++ b/Core/src/main/java/fr/pandacube/lib/core/chat/ChatStatic.java
@@ -3,31 +3,32 @@ package fr.pandacube.lib.core.chat;
 import java.util.Objects;
 
 import fr.pandacube.lib.core.chat.Chat.FormatableChat;
+import net.kyori.adventure.text.Component;
 import net.md_5.bungee.api.chat.BaseComponent;
-import net.md_5.bungee.api.chat.KeybindComponent;
-import net.md_5.bungee.api.chat.Keybinds;
-import net.md_5.bungee.api.chat.ScoreComponent;
 import net.md_5.bungee.api.chat.TextComponent;
-import net.md_5.bungee.api.chat.TranslatableComponent;
 
 public abstract class ChatStatic {
 
-	
+
+
+	public static FormatableChat chatComponent(Component c) {
+		return new FormatableChat(c);
+	}
 
 	public static FormatableChat chatComponent(BaseComponent c) {
-		return new FormatableChat(c);
+		return new FormatableChat(Chat.toAdventure(c));
 	}
 	
 	public static FormatableChat chat() {
-		return chatComponent(new TextComponent());
+		return chatComponent(Component.empty());
 	}
 	
 	public static FormatableChat chatComponent(BaseComponent[] c) {
-		return chatComponent(new TextComponent(c));
+		return chatComponent(Chat.toAdventure(c));
 	}
 
 	public static FormatableChat text(Object plainText) {
-		return chatComponent(new TextComponent(Objects.toString(plainText)));
+		return chatComponent(Component.text(Objects.toString(plainText)));
 	}
 
 	public static FormatableChat legacyText(Object legacyText) {
@@ -59,15 +60,15 @@ public abstract class ChatStatic {
 	}
 
 	public static FormatableChat translation(String key, Object... with) {
-		return chatComponent(new TranslatableComponent(key, Chat.filterChatToBaseComponent(with)));
+		return chatComponent(Component.translatable(key, Chat.filterObjToComponentLike(with)));
 	}
 
-	/** @param key one of the values in {@link Keybinds}. */
+	/** @param key one of the values in {@link net.md_5.bungee.api.chat.Keybinds} */
 	public static FormatableChat keybind(String key) {
-		return chatComponent(new KeybindComponent(key));
+		return chatComponent(Component.keybind(key));
 	}
 
-	public static FormatableChat score(String name, String objective, String value) {
-		return chatComponent(new ScoreComponent(name, objective, value));
+	public static FormatableChat score(String name, String objective) {
+		return chatComponent(Component.score(name, objective));
 	}
 }
diff --git a/Core/src/main/java/fr/pandacube/lib/core/chat/ChatUtil.java b/Core/src/main/java/fr/pandacube/lib/core/chat/ChatUtil.java
index 6265c0b..b93cace 100644
--- a/Core/src/main/java/fr/pandacube/lib/core/chat/ChatUtil.java
+++ b/Core/src/main/java/fr/pandacube/lib/core/chat/ChatUtil.java
@@ -60,7 +60,7 @@ public class ChatUtil {
 		return chat()
 				.clickURL(url)
 				.color(Chat.getConfig().urlColor)
-				.hoverText(
+				.hover(
 						hover != null ? hover : Chat.text(dispURL)
 				)
 				.then(element)
@@ -86,7 +86,7 @@ public class ChatUtil {
 				.clickCommand(commandWithSlash)
 				.color(Chat.getConfig().commandColor);
 		if (hoverText != null)
-			c.hoverText(hoverText);
+			c.hover(hoverText);
 		return c.then(d).get();
 	}
 
@@ -111,7 +111,7 @@ public class ChatUtil {
 				.clickSuggest(commandWithSlash)
 				.color(Chat.getConfig().commandColor);
 		if (hoverText != null)
-			c.hoverText(hoverText);
+			c.hover(hoverText);
 		return c.then(d).get();
 	}
 
diff --git a/Paper/pom.xml b/Paper/pom.xml
index f32a88f..b88940e 100644
--- a/Paper/pom.xml
+++ b/Paper/pom.xml
@@ -29,15 +29,28 @@
             <artifactId>pandalib-core</artifactId>
             <version>${project.version}</version>
             <scope>compile</scope>
+            <exclusions>
+            	<exclusion>
+		          <groupId>net.kyori</groupId>
+		          <artifactId>adventure-api</artifactId>
+		        </exclusion>
+            </exclusions>
         </dependency>
         
-        <!-- Paper -->
+        <!-- Paper (1.16 and before) -->
         <dependency>
             <groupId>com.destroystokyo.paper</groupId>
             <artifactId>paper-api</artifactId>
             <version>${paper.version}-SNAPSHOT</version>
             <scope>compile</scope>
         </dependency>
+        <!-- Paper (1.17+) -->
+        <!-- <dependency>
+            <groupId>io.papermc.paper</groupId>
+            <artifactId>paper-api</artifactId>
+            <version>${paper.version}-SNAPSHOT</version>
+            <scope>compile</scope>
+        </dependency> -->
   </dependencies>
   
 </project>
\ No newline at end of file
diff --git a/Paper/src/main/java/fr/pandacube/lib/paper/gui/GUIInventory.java b/Paper/src/main/java/fr/pandacube/lib/paper/gui/GUIInventory.java
index 054bc21..af40728 100644
--- a/Paper/src/main/java/fr/pandacube/lib/paper/gui/GUIInventory.java
+++ b/Paper/src/main/java/fr/pandacube/lib/paper/gui/GUIInventory.java
@@ -34,9 +34,17 @@ public class GUIInventory implements Listener {
 	private boolean isOpened = false;
 	private Map<Integer, Callback<InventoryClickEvent>> onClickEvents;
 
+	@Deprecated
 	public GUIInventory(Player p, int nbLines, String title, Callback<InventoryCloseEvent> closeEventAction,
 			Plugin pl) {
-		inv = Bukkit.createInventory(null, nbLines * 9, title);
+		this(p, nbLines, title == null ? null : Chat.legacyText(title), closeEventAction, pl);
+	}
+	public GUIInventory(Player p, int nbLines, Chat title, Callback<InventoryCloseEvent> closeEventAction,
+			Plugin pl) {
+		if (title == null)
+			inv = Bukkit.createInventory(null, nbLines * 9);
+		else
+			inv = Bukkit.createInventory(null, nbLines * 9, title.getAdv());
 
 		setCloseEvent(closeEventAction);
 
diff --git a/Paper/src/main/java/fr/pandacube/lib/paper/util/AutoUpdatedBossBar.java b/Paper/src/main/java/fr/pandacube/lib/paper/util/AutoUpdatedBossBar.java
index b2a055e..8a58b2f 100644
--- a/Paper/src/main/java/fr/pandacube/lib/paper/util/AutoUpdatedBossBar.java
+++ b/Paper/src/main/java/fr/pandacube/lib/paper/util/AutoUpdatedBossBar.java
@@ -20,6 +20,7 @@ import org.bukkit.scheduler.BukkitTask;
 
 import fr.pandacube.lib.core.util.Log;
 import fr.pandacube.lib.paper.PandaLibPaper;
+import net.kyori.adventure.text.Component;
 
 public class AutoUpdatedBossBar implements Listener {
 	
@@ -100,7 +101,7 @@ public class AutoUpdatedBossBar implements Listener {
 		followPlayerList = true;
 		BukkitEvent.register(this);
 		Bukkit.getServer().getOnlinePlayers().forEach(p -> {
-			onPlayerJoin(new PlayerJoinEvent(p, ""));
+			onPlayerJoin(new PlayerJoinEvent(p, Component.text("")));
 		});
 	}
 	
diff --git a/Paper/src/main/java/fr/pandacube/lib/paper/util/ItemStackBuilder.java b/Paper/src/main/java/fr/pandacube/lib/paper/util/ItemStackBuilder.java
index 8a7af8f..c789cc0 100644
--- a/Paper/src/main/java/fr/pandacube/lib/paper/util/ItemStackBuilder.java
+++ b/Paper/src/main/java/fr/pandacube/lib/paper/util/ItemStackBuilder.java
@@ -15,7 +15,9 @@ import com.google.common.collect.Streams;
 
 import fr.pandacube.lib.core.chat.Chat;
 import fr.pandacube.lib.core.chat.Chat.FormatableChat;
-import net.md_5.bungee.api.chat.BaseComponent;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.format.TextDecoration;
+import net.kyori.adventure.text.format.TextDecoration.State;
 
 public class ItemStackBuilder {
 
@@ -57,28 +59,28 @@ public class ItemStackBuilder {
 		stack.setAmount(a);
 		return this;
 	}
-	
-	public ItemStackBuilder rawDisplayName(BaseComponent[] displayName) {
+
+	public ItemStackBuilder rawDisplayName(Component displayName) {
 		if (displayName != null)
-			getOrInitMeta().setDisplayNameComponent(displayName);
+			getOrInitMeta().displayName(displayName);
 		else
-			getOrInitMeta().setDisplayName(null);
+			getOrInitMeta().displayName(null);
 		updateMeta();
 		return this;
 	}
 	
 	public ItemStackBuilder displayName(Chat displayName) {
 		if (displayName != null) {
-			if (displayName.get().isItalicRaw() == null)
+			if (displayName.getAdv().style().decoration(TextDecoration.ITALIC) == State.NOT_SET)
 				((FormatableChat)displayName).italic(false);
-			return rawDisplayName(displayName.getAsArray());
+			return rawDisplayName(displayName.getAdv());
 		}
 		else
-			return rawDisplayName(null);
+			return rawDisplayName((Component) null);
 	}
 	
-	public ItemStackBuilder rawLore(List<BaseComponent[]> lore) {
-		getOrInitMeta().setLoreComponents(lore);
+	public ItemStackBuilder rawLore(List<Component> lore) {
+		getOrInitMeta().lore(lore);
 		updateMeta();
 		return this;
 	}
@@ -86,11 +88,7 @@ public class ItemStackBuilder {
 	public ItemStackBuilder lore(List<Chat> lore) {
 		if (lore != null) {
 			return rawLore(lore.stream()
-					.map(line -> {
-						if (line.get().isItalicRaw() == null)
-							((FormatableChat)line).italic(false);
-						return line.getAsArray();
-					})
+					.map(line -> Chat.italicFalseIfNotSet(line).getAdv())
 					.collect(Collectors.toList()));
 		}
 		else
@@ -99,17 +97,13 @@ public class ItemStackBuilder {
 	
 	public ItemStackBuilder addLoreAfter(List<Chat> lore) {
 		if (lore != null) {
-			List<BaseComponent[]> baseLore = getOrInitMeta().getLoreComponents();
+			List<Component> baseLore = getOrInitMeta().lore();
 			if (baseLore == null) baseLore = Collections.emptyList();
 			return rawLore(
 					Streams.concat(
 							baseLore.stream(),
 							lore.stream()
-							.map(line -> {
-								if (line.get().isItalicRaw() == null)
-									((FormatableChat)line).italic(false);
-								return line.getAsArray();
-							})
+							.map(line -> Chat.italicFalseIfNotSet(line).getAdv())
 					)
 					.collect(Collectors.toList()));
 		}
diff --git a/Paper/src/main/java/fr/pandacube/lib/paper/util/ScoreBoardUtil.java b/Paper/src/main/java/fr/pandacube/lib/paper/util/ScoreBoardUtil.java
index 787b000..0a00e63 100644
--- a/Paper/src/main/java/fr/pandacube/lib/paper/util/ScoreBoardUtil.java
+++ b/Paper/src/main/java/fr/pandacube/lib/paper/util/ScoreBoardUtil.java
@@ -9,11 +9,11 @@ import org.bukkit.scoreboard.Objective;
 import org.bukkit.scoreboard.Score;
 import org.bukkit.scoreboard.Scoreboard;
 
+import fr.pandacube.lib.core.chat.Chat;
 import fr.pandacube.lib.core.chat.ChatUtil;
 import net.md_5.bungee.api.ChatColor;
 
 public class ScoreBoardUtil {
-
 	/**
 	 * Met à jour la Sidebar d'un Scoreboard donné
 	 *
@@ -23,7 +23,21 @@ public class ScoreBoardUtil {
 	 *        tableau est null, il sera compté comme une chaine vide. Toutes les
 	 *        lignes seront rognés aux 40 premiers caractères
 	 */
+	@Deprecated
 	public static void updateScoreboardSidebar(Scoreboard scBrd, String title, String[] lines) {
+		updateScoreboardSidebar(scBrd, Chat.legacyText(title), lines);
+	}
+
+	/**
+	 * Met à jour la Sidebar d'un Scoreboard donné
+	 *
+	 * @param scBrd Le Scoreboard à mettre à jour (ne doit pas être null)
+	 * @param title Le titre de la Sidebar
+	 * @param lines Les lignes qui doivent être affichés. Si un éléments du
+	 *        tableau est null, il sera compté comme une chaine vide. Toutes les
+	 *        lignes seront rognés aux 40 premiers caractères
+	 */
+	public static void updateScoreboardSidebar(Scoreboard scBrd, Chat title, String[] lines) {
 		if (scBrd == null) throw new IllegalArgumentException("scBrd doit être non null");
 		if (lines == null) lines = new String[0];
 		
@@ -33,15 +47,15 @@ public class ScoreBoardUtil {
 			obj = null;
 		}
 		
-		title = title == null ? "" : ChatUtil.truncateAtLengthWithoutReset(title, 32);
-		
 		if (obj == null)
-			obj = scBrd.registerNewObjective("sidebar_autogen", "dummy", title);
+			obj = scBrd.registerNewObjective("sidebar_autogen", "dummy", title.getAdv());
+		else {
+			if (!title.getAdv().equals(obj.displayName()))
+				obj.displayName(title.getAdv());
+			if (!DisplaySlot.SIDEBAR.equals(obj.getDisplaySlot()))
+				obj.setDisplaySlot(DisplaySlot.SIDEBAR);
+		}
 		
-		if (!title.equals(obj.getDisplayName()))
-			obj.setDisplayName(title);
-		if (!DisplaySlot.SIDEBAR.equals(obj.getDisplaySlot()))
-			obj.setDisplaySlot(DisplaySlot.SIDEBAR);
 		
 		filterLines(lines);
 		
diff --git a/Paper/src/main/java/fr/pandacube/lib/paper/util/Skull.java b/Paper/src/main/java/fr/pandacube/lib/paper/util/Skull.java
index b861d65..4c17944 100644
--- a/Paper/src/main/java/fr/pandacube/lib/paper/util/Skull.java
+++ b/Paper/src/main/java/fr/pandacube/lib/paper/util/Skull.java
@@ -99,10 +99,10 @@ public enum Skull {
         boolean b = meta.setOwner(name);
         
         if (dispName != null)
-        	meta.setDisplayNameComponent(dispName.getAsArray());
+        	meta.displayName(dispName.getAdv());
         
         if (lore != null)
-        	meta.setLoreComponents(lore.stream().map(c -> c.getAsArray()).collect(Collectors.toList()));
+        	meta.lore(lore.stream().map(c -> c.getAdv()).collect(Collectors.toList()));
         
         itemStack.setItemMeta(meta);
         return itemStack;
@@ -172,10 +172,10 @@ public enum Skull {
         headMeta.setPlayerProfile(profile);
         
         if (dispName != null)
-        	headMeta.setDisplayNameComponent(dispName.getAsArray());
+        	headMeta.displayName(dispName.getAdv());
         
         if (lore != null)
-        	headMeta.setLoreComponents(lore.stream().map(c -> c.getAsArray()).collect(Collectors.toList()));
+        	headMeta.lore(lore.stream().map(c -> c.getAdv()).collect(Collectors.toList()));
         
         head.setItemMeta(headMeta);