diff --git a/SVSim.BattleNode/Sessions/BattleSession.cs b/SVSim.BattleNode/Sessions/BattleSession.cs
index 16c5932..d503b23 100644
--- a/SVSim.BattleNode/Sessions/BattleSession.cs
+++ b/SVSim.BattleNode/Sessions/BattleSession.cs
@@ -42,6 +42,8 @@ public sealed class BattleSession
             [NetworkBattleUri.Swap] = new SwapHandler(),
             [NetworkBattleUri.TurnEnd] = new TurnEndHandler(),
             [NetworkBattleUri.TurnEndFinal] = new TurnEndFinalHandler(),
+            [NetworkBattleUri.Retire] = new RetireKillHandler(),
+            [NetworkBattleUri.Kill] = new RetireKillHandler(),
         };
 
     private FrameDispatchContext BuildContext(IBattleParticipant from, MsgEnvelope env) =>
diff --git a/SVSim.BattleNode/Sessions/Dispatch/Handlers/RetireKillHandler.cs b/SVSim.BattleNode/Sessions/Dispatch/Handlers/RetireKillHandler.cs
new file mode 100644
index 0000000..b056d88
--- /dev/null
+++ b/SVSim.BattleNode/Sessions/Dispatch/Handlers/RetireKillHandler.cs
@@ -0,0 +1,16 @@
+using SVSim.BattleNode.Protocol;
+
+namespace SVSim.BattleNode.Sessions.Dispatch.Handlers;
+
+internal sealed class RetireKillHandler : IFrameHandler
+{
+    public IReadOnlyList<DispatchRoute> Handle(FrameDispatchContext ctx)
+    {
+        ctx.State.SessionPhase = BattleSessionPhase.Terminal;
+        return new[]
+        {
+            new DispatchRoute(ctx.From, BattleFrames.BuildBattleFinish(BattleResult.RetireLose), true),
+            new DispatchRoute(ctx.Other, BattleFrames.BuildBattleFinish(BattleResult.RetireWin), true),
+        };
+    }
+}