Oversized Weapon Damage?

[northbrb]

What is the damage for a colossal Bastard Sword or a Gargantuan Greatsword? I am looking for the biggest weapon possible. For arguments sake lets assume either a Gargantuan Two handed weapon or a one handed Colossal weapon?

[x9ss]

Edit: According to the SRD it's 6d8.
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For reference, the Greatsword found here at gargantuan is only 6d6.

[Shadowborn]

A colossal bastard sword would deal 6d8 damage. A gargantuan greatsword would deal 6d6 damage.

Edit: Ninja'd.

[northbrb]

Thank you. this will work great for my character. (20th level Deathmatch my group is running just for fun)