--- a/net/minecraft/world/level/block/entity/BellBlockEntity.java
+++ b/net/minecraft/world/level/block/entity/BellBlockEntity.java
@@ -61,6 +61,11 @@
 
         if (blockEntity.ticks >= 50) {
             blockEntity.shaking = false;
+            // Paper start
+            if (!blockEntity.resonating) {
+                blockEntity.nearbyEntities.clear();
+            }
+            // Paper end
             blockEntity.ticks = 0;
         }
 
@@ -74,6 +79,7 @@
                 ++blockEntity.resonationTicks;
             } else {
                 bellEffect.run(world, pos, blockEntity.nearbyEntities);
+                blockEntity.nearbyEntities.clear(); // Paper
                 blockEntity.resonating = false;
             }
         }
@@ -116,6 +122,7 @@
             }
         }
 
+        this.nearbyEntities.removeIf(e -> !e.isAlive()); // Paper
     }
 
     private static boolean areRaidersNearby(BlockPos pos, List<LivingEntity> hearingEntities) {
@@ -131,7 +138,7 @@
     private static void makeRaidersGlow(Level world, BlockPos pos, List<LivingEntity> hearingEntities) {
         hearingEntities.stream().filter((entity) -> {
             return isRaiderWithinRange(pos, entity);
-        }).forEach(BellBlockEntity::glow);
+        }).forEach(entity -> glow(entity, pos)); // Paper - pass BlockPos
     }
 
     private static void showBellParticles(Level world, BlockPos pos, List<LivingEntity> hearingEntities) {
@@ -163,7 +170,11 @@
         return entity.isAlive() && !entity.isRemoved() && pos.closerToCenterThan(entity.position(), 48.0D) && entity.getType().is(EntityTypeTags.RAIDERS);
     }
 
-    private static void glow(LivingEntity entity) {
+    // Paper start
+    private static void glow(LivingEntity entity) { glow(entity, null); }
+    private static void glow(LivingEntity entity, @javax.annotation.Nullable BlockPos pos) {
+        if (pos != null && !new io.papermc.paper.event.block.BellRevealRaiderEvent(entity.level.getWorld().getBlockAt(io.papermc.paper.util.MCUtil.toLocation(entity.level, pos)), entity.getBukkitEntity()).callEvent()) return;
+        // Paper end
         entity.addEffect(new MobEffectInstance(MobEffects.GLOWING, 60));
     }
 
