diff --git a/common/combat/damage.packet.js b/common/combat/damage.packet.js
index 5dec51d..326b2c8 100644
--- a/common/combat/damage.packet.js
+++ b/common/combat/damage.packet.js
@@ -3,18 +3,19 @@ import {Packet} from '@avocado/net';
 export class DamagePacket extends Packet {
 
   static get schema() {
-    const schema = super.schema;
-    schema.data.damages = [
-      {
-        amount: 'varuint',
-        damageSpec: {
-          affinity: 'uint8',
+    return {
+      ...super.schema,
+      data: [
+        {
+          amount: 'varuint',
+          damageSpec: {
+            affinity: 'uint8',
+          },
+          from: 'uint32',
+          isDamage: 'bool',
         },
-        from: 'uint32',
-        isDamage: 'bool',
-      },
-    ];
-    return schema;
+      ]
+    }
   }
 
 }
diff --git a/common/combat/vulnerable.trait.js b/common/combat/vulnerable.trait.js
index 9ea2c19..ac2936e 100644
--- a/common/combat/vulnerable.trait.js
+++ b/common/combat/vulnerable.trait.js
@@ -83,9 +83,8 @@ export class Vulnerable extends Trait {
 
   acceptPacket(packet) {
     if (packet instanceof DamagePacket) {
-      const damages = packet.data.damages;
-      for (let i = 0; i < damages.length; ++i) {
-        const damage = damages[i];
+      for (let i = 0; i < packet.data.length; ++i) {
+        const damage = packet.data[i];
         if (this.entity.is('listed') && this.entity.list) {
           damage.from = this.entity.list.findEntity(damage.from);
         }
@@ -137,15 +136,12 @@ export class Vulnerable extends Trait {
     this._isInvulnerable = isInvulnerable;
   }
 
-  packetsForUpdate() {
-    const packets = [];
+  packets(informed) {
     if (this.damages.length > 0) {
-      packets.push(new DamagePacket({
-        damages: this.damages,
-      }, this.entity));
+      const {damages} = this;
       this.damages = [];
+      return new DamagePacket(damages);
     }
-    return packets;
   }
 
   listeners() {