If you use revival blessing on a mon that used skill swap, does it have its original ability or the one it swapped to?

Question

If you use revival blessing on a fainted mon that used skill swap, does it have its original ability or the one it swapped to?

Answer 1

If a Pokémon affected by Skill Swap is switched out, it regains its original Ability.

Source

Fainting and reviving is treated the same fundamentally as switching out, so the Pokemon will regain its original ability.