If a titan uses a movement ability, like shield bash or shiverstrike, and is hit with pocket singularity, it will add to their momentum, essentially just killing you faster, or launching you off the map if the hit lands
Also if there's a ghost in between an enemy player and a cold snap grenade, it will just stop, for no reason
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They could just make another selectable melee for Void Warlocks that isn't -blam!-, but they'd rather pretend that nothing is wrong for years so good luck.