The only item that can beat this is this but with more damage. Welcome to the world of insanely overpowered weapons!
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No, I would argue that a weapon like a no-cooldown, ice, ranged weapon e.g. the arrow or the trap could be a better pick, but all in all they are still a broken weapons, also you forgot to add the "free-play" effect, but that only gives it a small boost in power for the "freeze" takes care of the rest of the enemy turns.