diff --git a/TerrariaServerAPI/TerrariaApi.Server/EventArgs/NpcStrikeEventArgs.cs b/TerrariaServerAPI/TerrariaApi.Server/EventArgs/NpcStrikeEventArgs.cs
index 5bff008..71a21f1 100644
--- a/TerrariaServerAPI/TerrariaApi.Server/EventArgs/NpcStrikeEventArgs.cs
+++ b/TerrariaServerAPI/TerrariaApi.Server/EventArgs/NpcStrikeEventArgs.cs
@@ -36,6 +36,7 @@ public bool Critical
 			get;
 			set;
 		}
+		[Obsolete("NPC.StrikeNPC does not supply this value; it is always false and is ignored.")]
 		public bool NoEffect 
 		{ 
 			get; 
diff --git a/TerrariaServerAPI/TerrariaApi.Server/HookManager.cs b/TerrariaServerAPI/TerrariaApi.Server/HookManager.cs
index 6cb1985..dd0b5f1 100644
--- a/TerrariaServerAPI/TerrariaApi.Server/HookManager.cs
+++ b/TerrariaServerAPI/TerrariaApi.Server/HookManager.cs
@@ -678,7 +678,7 @@ public HandlerCollection<NpcStrikeEventArgs> NpcStrike
 		}
 
 		internal bool InvokeNpcStrike(
-			NPC npc, ref int damage, ref float knockback, ref int hitDirection, ref bool crit, ref bool noEffect,
+			NPC npc, ref int damage, ref float knockback, ref int hitDirection, ref bool crit,
 			ref bool fromNet, Player player)
 		{
 			NpcStrikeEventArgs args = new NpcStrikeEventArgs
@@ -688,7 +688,6 @@ internal bool InvokeNpcStrike(
 				KnockBack = knockback,
 				HitDirection = hitDirection,
 				Critical = crit,
-				NoEffect = noEffect,
 				FromNet = fromNet,
 				Player = player
 			};
@@ -699,7 +698,6 @@ internal bool InvokeNpcStrike(
 			knockback = args.KnockBack;
 			hitDirection = args.HitDirection;
 			crit = args.Critical;
-			noEffect = args.NoEffect;
 			fromNet = args.FromNet;
 			player = args.Player;
 			return args.Handled;
diff --git a/TerrariaServerAPI/TerrariaApi.Server/Hooking/NetHooks.cs b/TerrariaServerAPI/TerrariaApi.Server/Hooking/NetHooks.cs
index a638047..0bb7715 100644
--- a/TerrariaServerAPI/TerrariaApi.Server/Hooking/NetHooks.cs
+++ b/TerrariaServerAPI/TerrariaApi.Server/Hooking/NetHooks.cs
@@ -38,7 +38,7 @@ static void OnUpdateConnectedClients(object? sender, HookEvents.Terraria.Netplay
 		args.OriginalMethod();
 		if (ServerApi.ForceUpdate)
 		{
-			Terraria.Netplay.HasClients = true;
+			Terraria.Netplay.HasFullyConnectedClients = true;
 		}
 	}
 
@@ -192,7 +192,7 @@ static void OnConnectionAccepted(object? sender, HookEvents.Terraria.Netplay.OnC
 		}
 		if (FindNextOpenClientSlot() == -1)
 		{
-			Netplay.StopListening();
+			Netplay.TcpListener?.StopListening();
 		}
 	}
 
diff --git a/TerrariaServerAPI/TerrariaApi.Server/Hooking/NpcHooks.cs b/TerrariaServerAPI/TerrariaApi.Server/Hooking/NpcHooks.cs
index 1e248a0..958e4e7 100644
--- a/TerrariaServerAPI/TerrariaApi.Server/Hooking/NpcHooks.cs
+++ b/TerrariaServerAPI/TerrariaApi.Server/Hooking/NpcHooks.cs
@@ -52,7 +52,7 @@ static void OnStrike(NPC npc, HookEvents.Terraria.NPC.StrikeNPCEventArgs args)
 		if (!args.ContinueExecution) return;
 		if (args.entity is Player player)
 		{
-			if (_hookManager.InvokeNpcStrike(npc, ref args.Damage, ref args.knockBack, ref args.hitDirection, ref args.crit, ref args.noEffect, ref args.fromNet, player))
+			if (_hookManager.InvokeNpcStrike(npc, ref args.Damage, ref args.knockBack, ref args.hitDirection, ref args.crit, ref args.fromNet, player))
 			{
 				args.ContinueExecution = false;
 				args.HookReturnValue = 0;
diff --git a/TerrariaServerAPI/TerrariaApi.Server/PacketTypes.cs b/TerrariaServerAPI/TerrariaApi.Server/PacketTypes.cs
index 079d7ac..f1fc13c 100644
--- a/TerrariaServerAPI/TerrariaApi.Server/PacketTypes.cs
+++ b/TerrariaServerAPI/TerrariaApi.Server/PacketTypes.cs
@@ -159,8 +159,7 @@ public enum PacketTypes
 	RequestSection = 159,
 	SyncItemPosition = 160,
 	HostToken = 161,
-
-	// Mobile version packets
-	ServerInfo = 162,
-	PlayerPlatformInfo = 163
+	DamageNPCAck = 162,
+	ServerInfo = 163,
+	PlayerPlatformInfo = 164
 }
diff --git a/TerrariaServerAPI/TerrariaServerAPI.csproj b/TerrariaServerAPI/TerrariaServerAPI.csproj
index 61005da..fef687d 100644
--- a/TerrariaServerAPI/TerrariaServerAPI.csproj
+++ b/TerrariaServerAPI/TerrariaServerAPI.csproj
@@ -23,6 +23,6 @@
 	<ItemGroup>
 		<PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
 		<PackageReference Include="System.Diagnostics.PerformanceCounter" Version="9.0.0" />
-		<PackageReference Include="OTAPI.Upcoming" Version="3.3.11" />
+		<PackageReference Include="OTAPI.Upcoming" Version="3.3.14" />
 	</ItemGroup>
 </Project>