Empress 90% hp genesis

That happens to me at Gollux's shoulder too. When it does that super knockback attack right before it summons the monsters, and goes into sleep mode, the attack doesn't go through until it wakes up again. If you're standing in the same spot that it was going to hit you beforehand, the attack will hit you when it wakes up.

it happens to me long after it wakes ups
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i guess ill just try to provide a video on my next few runs and show it