First, you need to catch a Ghastly, which can be found in the sprout tower or caves at night. Evolve it into a Haunter and then trade it. At that it will evolve into Gengar which you need to have it traded back to you.
There is no NPC who you can trade a Haunter to for a Gengar in Pokemon Crystal. To get Gengar you will need to trade with another player or a copy of Pokemon Gold, Silver or Crystal.
To get a Gengar, you must trade a Haunter and it will then evolve into a Gengar.
gengar can defeat any Pokemon same with any other Pokemon
Gengar is a Ghost-Poison type.
Psychic Bryce has a gengar in Pokemon platinum.
There is no NPC who you can trade a Haunter to for a Gengar in Pokemon Crystal. To get Gengar you will need to trade with another player or a copy of Pokemon Gold, Silver or Crystal.
ive seen somebody use a gengar with dragonbreath but i think u cant
To get a Gengar, you must trade a Haunter and it will then evolve into a Gengar.
you cant find gengar if you not have steal trainers Pokemon cheat
gengar can defeat any Pokemon same with any other Pokemon
Gengar is a Ghost-Poison type.
gengar can be found on the temple when you figth raiko
gengar cannot evole :P
Psychic Bryce has a gengar in Pokemon platinum.
in blue gengar in red nidorino.
you need to trade it to get it into Gengar
Gengar can only be obtained by trading a Haunter.