Big update.

src/strategy/values/AttackerWithoutAuraTargetValue.cpp

@@ -0,0 +1,26 @@
+/*
+ * 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 "AttackerWithoutAuraTargetValue.h"
+#include "Playerbots.h"
+
+Unit* AttackerWithoutAuraTargetValue::Calculate()
+{
+    GuidVector attackers = botAI->GetAiObjectContext()->GetValue<GuidVector >("attackers")->Get();
+    Unit* target = botAI->GetAiObjectContext()->GetValue<Unit*>("current target")->Get();
+    for (ObjectGuid const guid : attackers)
+    {
+        Unit* unit = botAI->GetUnit(guid);
+        if (!unit || unit == target)
+            continue;
+
+        if (bot->GetDistance(unit) > botAI->GetRange("spell"))
+            continue;
+
+        if (!botAI->HasAura(qualifier, unit))
+            return unit;
+    }
+
+    return nullptr;
+}