How do you get a gligar to evolve?

Answer 1

if you want a gligar to evolve all you have to do is level it with a razor fang to get gliscor *it can only evolve at nigt though -(ricaher)
There is no specific level. You need to make him hold the razor fang and level him once at night.

Answer 2

You need to make Gligar hold a Razor Fang, and make it gain a level at night.

Answer 3

past 8:00 p.m. give gligar the razor fang level it up by one.then you have a instant gliscor!