if i buy a costume from the item shop
amber9690
can ALL my characters use it? or is it only allowed for 1 character
Marty Silverblade
http://wiki.guildwars.com/wiki/Costume
So yes, you buy costumes for an account, not for any particular character.
Quote:
| Costumes are available from the Guild Wars In-Game Store; once purchased, they become unlocked for all characters in the account and can be acquired unlimited times from Costume makers with no additional cost. |