When using Banette's "Resolute Spite" attack, can you put more damage counters on Banette than it has remaining HP?
Yes, you can.
Resolute Spite



x2
-30
Resolute SpitePut up to 7 damage counters on this Pokémon. This attack does 20 damage for each damage counter you placed in this way.

Eerie LightYour opponent's Active Pokémon is now Confused.
Resentment at being cast off made it spring into being. Some say that treating it well will satisfy it, and it will once more become a stuffed toy.
When using Banette's "Resolute Spite" attack, can you put more damage counters on Banette than it has remaining HP?
Yes, you can.