Big update.

src/strategy/actions/AcceptDuelAction.cpp

@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) 2016+ AzerothCore <www.azerothcore.org>, released under GNU GPL v2 license, you may redistribute it and/or modify it under version 2 of the License, or (at your option), any later version.
+ */
+
+#include "AcceptDuelAction.h"
+#include "Event.h"
+#include "Playerbots.h"
+
+bool AcceptDuelAction::Execute(Event event)
+{
+    WorldPacket p(event.getPacket());
+
+    ObjectGuid flagGuid;
+    p >> flagGuid;
+    ObjectGuid playerGuid;
+    p >> playerGuid;
+
+    WorldPacket packet(CMSG_DUEL_ACCEPTED, 8);
+    packet << flagGuid;
+    bot->GetSession()->HandleDuelAcceptedOpcode(packet);
+
+    botAI->ResetStrategies();
+    return true;
+}