THE RUNE OF THE ENGMATIC BABBLER

You see an ancient door in Necronias' Citadel with the letters EB burned in it.

"Well, well the Winds of Change blow across THE LANDS. How Wonderful. I see your exercising those big, brawny muscles of yours, so how about stirring up that pea size brain of yours as well. I've put a minor charm on Stone. Give the answer to my riddle to him, and he will offer you an interesting tid bit.
Ready for the riddle.. okay here goes..

AWhat kind of room has no windows or doors?”

Simple enough... see ya later, aligator!