Core/Movement:

* splines that are being sent via StopMoving() will now send the correct spline data when a unit has died
* corrected setting the NowDead field in SMSG_ATTACK_STOP to prevent creature's from looking away from the cool guys when dying

src/server/game/Server/Packets/CombatPackets.cpp

@@ -101,7 +101,7 @@ WorldPackets::Combat::SAttackStop::SAttackStop(Unit const* attacker, Unit const*
     if (victim)
     {
         Victim = victim->GetGUID();
-        NowDead = victim->isDead();
+        NowDead = !attacker->IsAlive(); // using IsAlive instead of IsDead to catch JUST_DIED death states as well
     }
 }