Ultima Underworld 2 Cheats

Unlimited scrolls and potions:
Utilize a fireball spell on a potion or scroll. Get the remnants of the destroyed item and use it. The remnants will have the same effect as the original potion or scroll and may be used an unlimited amount of time.

Extra gold:
Locate an NPC that is willing to barter, then propose a trade of one gold piece for all of their gold.