None, it evolves through happiness
Golbat evolves into a Crobat.
Golbat evolves into Crobat when it levels up with enough happiness.
It evolves at level 22 into Golbat. Golbat evolves with happiness into Crobat.
Golbat evolves into Crobat with friendship.
Golbat evolves by Friendship
Zubat evolves in to Golbat at level 22 and then golbat evolves into Crobat through Happiness.
zubat will evolve at lvl 22 into a crobat hope i helped = ) golbat not crobat golbat6 evolves into golbat if it really likes you and you level it up in a certain place that i don't remember
Golbat evolves with happiness.
It evolves by friendship.
It evolves into Golbat
Golbat evolves into Crobat when you level it up with high friendship.
Zubat evloves to Golbat at level 22. After that, just keep him in the party and though friendship, it evolves to Crobat.