Question

Like it uses your ATK stat, but your opponents SP DEF stat.
Or the other way around, like you use SP ATK it uses your opponents regular DEF?

Answer 1

Psyshock - SAtt X Def
Secret Sword (or something like that) - SAtt X Def

Comments

There is one that uses special attack and targets def and that is psycho break a mewtwo exclusive move that it learns at level 100.

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And there aren't any that are the other way around?

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Secret Sword, I believe. it's taught to the fourth pokemon that goes along with the three musketeers.