You can't. Gliscor was not a Pokemon before diamond and pearl. sorry.
only in pearl,platnium,diamond,heartgold,soulsilver
Gligar will only evolve in diamond, pearl and platinum.
train gligar at night with razor fang then he will evolve into gliscor!
Unfortunately Gligar does not evolve in Pokemon Crystal, it only evolves in Pokemon Diamond, Pearl, Platinum, Black and White.
get a thunderstone and use it on pikachu
Gligar Evolves at Level 35
The way to evolve gligar is to train him/her. I can't remember which stone makes him/her evolv
It doesn't, Gligar cannot evolve in Pokémon XD.
it doesnt
You cannot evolve Gligar in Pokemon Ruby, Sapphire, or Emerald. It is unavailable. Only works on the newer games.
Gligar has to level up at night holding a Razor Fang.
You have to level it up to level 32 and it will evolve. Or at least that's wat happened to my gligar which is now a gliscor
Noo!! It's impossible, crobat don't evolve more... gligar evolve into a Gliscor uping level with a Razor Fang.