I have removed it from my known spells. I just don't get why everyone thinks it's so great.

If a fight takes four rounds in average and a polearm master blade lock gets bis max attacks out if it, that's 11 attacks assuming he never needs to shift hex or fails concentration.

So 11d6 for hex under ideal conditions, imho you can do Vetter with your slots, especially once they hit level 5

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