Is there a MMO that...

... has a job class that can wield giant crosses and is available in the Philippines?

Could you give a bit more information than a "giant cross" please?

Maybe he means like Wolfwood from Trigun.I don't think anything like that exists.

Ha! But there is...
http://dungeonfighter.nexon.net/Default.aspx

Dunno if it's available in Philippines though...