--- a/net/minecraft/world/BossEvent.java
+++ b/net/minecraft/world/BossEvent.java
@@ -13,6 +13,7 @@
     protected boolean darkenScreen;
     protected boolean playBossMusic;
     protected boolean createWorldFog;
+    public net.kyori.adventure.bossbar.BossBar adventure; // Paper
 
     public BossEvent(UUID uuid, Component name, BossEvent.BossBarColor color, BossEvent.BossBarOverlay style) {
         this.id = uuid;
@@ -27,61 +28,75 @@
     }
 
     public Component getName() {
+        if (this.adventure != null) return io.papermc.paper.adventure.PaperAdventure.asVanilla(this.adventure.name()); // Paper
         return this.name;
     }
 
     public void setName(Component name) {
+        if (this.adventure != null) this.adventure.name(io.papermc.paper.adventure.PaperAdventure.asAdventure(name)); // Paper
         this.name = name;
     }
 
     public float getProgress() {
+        if (this.adventure != null) return this.adventure.progress(); // Paper
         return this.progress;
     }
 
     public void setProgress(float percent) {
+        if (this.adventure != null) this.adventure.progress(percent); // Paper
         this.progress = percent;
     }
 
     public BossEvent.BossBarColor getColor() {
+        if (this.adventure != null) return io.papermc.paper.adventure.PaperAdventure.asVanilla(this.adventure.color()); // Paper
         return this.color;
     }
 
     public void setColor(BossEvent.BossBarColor color) {
+        if (this.adventure != null) this.adventure.color(io.papermc.paper.adventure.PaperAdventure.asAdventure(color)); // Paper
         this.color = color;
     }
 
     public BossEvent.BossBarOverlay getOverlay() {
+        if (this.adventure != null) return io.papermc.paper.adventure.PaperAdventure.asVanilla(this.adventure.overlay()); // Paper
         return this.overlay;
     }
 
     public void setOverlay(BossEvent.BossBarOverlay style) {
+        if (this.adventure != null) this.adventure.overlay(io.papermc.paper.adventure.PaperAdventure.asAdventure(style)); // Paper
         this.overlay = style;
     }
 
     public boolean shouldDarkenScreen() {
+        if (this.adventure != null) return this.adventure.hasFlag(net.kyori.adventure.bossbar.BossBar.Flag.DARKEN_SCREEN); // Paper
         return this.darkenScreen;
     }
 
     public BossEvent setDarkenScreen(boolean darkenSky) {
+        if (this.adventure != null) io.papermc.paper.adventure.PaperAdventure.setFlag(this.adventure, net.kyori.adventure.bossbar.BossBar.Flag.DARKEN_SCREEN, darkenSky); // Paper
         this.darkenScreen = darkenSky;
         return this;
     }
 
     public boolean shouldPlayBossMusic() {
+        if (this.adventure != null) return this.adventure.hasFlag(net.kyori.adventure.bossbar.BossBar.Flag.PLAY_BOSS_MUSIC); // Paper
         return this.playBossMusic;
     }
 
     public BossEvent setPlayBossMusic(boolean dragonMusic) {
+        if (this.adventure != null) io.papermc.paper.adventure.PaperAdventure.setFlag(this.adventure, net.kyori.adventure.bossbar.BossBar.Flag.PLAY_BOSS_MUSIC, dragonMusic); // Paper
         this.playBossMusic = dragonMusic;
         return this;
     }
 
     public BossEvent setCreateWorldFog(boolean thickenFog) {
+        if (this.adventure != null) io.papermc.paper.adventure.PaperAdventure.setFlag(this.adventure, net.kyori.adventure.bossbar.BossBar.Flag.CREATE_WORLD_FOG, thickenFog); // Paper
         this.createWorldFog = thickenFog;
         return this;
     }
 
     public boolean shouldCreateWorldFog() {
+        if (this.adventure != null) return this.adventure.hasFlag(net.kyori.adventure.bossbar.BossBar.Flag.CREATE_WORLD_FOG); // Paper
         return this.createWorldFog;
     }
 
