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Brutoc - Heavens Tear

I plan to only buy Zen with Ultimate Game Cards, so I don't need to use a credit card or transfer it online or anything. However it wants me to create a profile, and I hate putting in my real information (name, address, etc) unless I need to.

If I'm just using Ultimate Game Cards, could I just put in dummy information or for whatever reason, would I still need to use my real info? It sounds silly to ask but I hate to put in fake information, buy the card, and have it be void because I'm paranoid.

EDIT: Scratch that, I'll just go with it, I think I can trust a respectable company :P