craftbukkit/nms-patches/net/minecraft/world/entity/boss/enderdragon/EntityEnderCrystal.patch

--- a/net/minecraft/world/entity/boss/enderdragon/EntityEnderCrystal.java
+++ b/net/minecraft/world/entity/boss/enderdragon/EntityEnderCrystal.java
@@ -20,6 +20,12 @@
 import net.minecraft.world.level.block.BlockFireAbstract;
 import net.minecraft.world.level.dimension.end.EnderDragonBattle;
 
+// CraftBukkit start
+import org.bukkit.craftbukkit.event.CraftEventFactory;
+import org.bukkit.event.entity.EntityRemoveEvent;
+import org.bukkit.event.entity.ExplosionPrimeEvent;
+// CraftBukkit end
+
 public class EntityEnderCrystal extends Entity {
 
     private static final DataWatcherObject<Optional<BlockPosition>> DATA_BEAM_TARGET = DataWatcher.defineId(EntityEnderCrystal.class, DataWatcherRegistry.OPTIONAL_BLOCK_POS);
@@ -57,7 +63,11 @@
             BlockPosition blockposition = this.blockPosition();
 
             if (((WorldServer) this.level()).getDragonFight() != null && this.level().getBlockState(blockposition).isAir()) {
-                this.level().setBlockAndUpdate(blockposition, BlockFireAbstract.getState(this.level(), blockposition));
+                // CraftBukkit start
+                if (!CraftEventFactory.callBlockIgniteEvent(this.level(), blockposition, this).isCancelled()) {
+                    this.level().setBlockAndUpdate(blockposition, BlockFireAbstract.getState(this.level(), blockposition));
+                }
+                // CraftBukkit end
             }
         }
 
@@ -99,12 +109,26 @@
             return false;
         } else {
             if (!this.isRemoved()) {
-                this.remove(Entity.RemovalReason.KILLED);
+                // CraftBukkit start - All non-living entities need this
+                if (CraftEventFactory.handleNonLivingEntityDamageEvent(this, damagesource, f, false)) {
+                    return false;
+                }
+                // CraftBukkit end
                 if (!damagesource.is(DamageTypeTags.IS_EXPLOSION)) {
                     DamageSource damagesource1 = damagesource.getEntity() != null ? this.damageSources().explosion(this, damagesource.getEntity()) : null;
 
-                    worldserver.explode(this, damagesource1, (ExplosionDamageCalculator) null, this.getX(), this.getY(), this.getZ(), 6.0F, false, World.a.BLOCK);
+                    // CraftBukkit start
+                    ExplosionPrimeEvent event = CraftEventFactory.callExplosionPrimeEvent(this, 6.0F, false);
+                    if (event.isCancelled()) {
+                        return false;
+                    }
+
+                    this.remove(Entity.RemovalReason.KILLED, EntityRemoveEvent.Cause.EXPLODE); // CraftBukkit - add Bukkit remove cause
+                    worldserver.explode(this, damagesource1, (ExplosionDamageCalculator) null, this.getX(), this.getY(), this.getZ(), event.getRadius(), event.getFire(), World.a.BLOCK);
+                } else {
+                    this.remove(Entity.RemovalReason.KILLED, EntityRemoveEvent.Cause.DEATH); // CraftBukkit - add Bukkit remove cause
                 }
+                // CraftBukkit end
 
                 this.onDestroyedBy(worldserver, damagesource);
             }