I am stuck in the Sphere and all I can't load back in time because I have done too much. What should I do if I have killed Tolgarion and one evil mage. The evil mage says that I can come home if I get him a heart (or something) from another dimension. The problem is, I can't get to another dimension. I have looked everywhere and killed everyone. I know where I should leave to another dimension, but I don't have the missing piece. What should I do?

By the way, I was wondering what I should do with the book my dwarven friend set me up to find. I have it, but don't know what to do with it.

go outside. remember that you have already moved when you opened the inner door. you will find what you need there.

Well, actually I already have, and I killed all the wyverns there. Every monster is dead, though I don't seem to find anything. Suppose I have to look harder outside. Thanks btw.

hi again
they arn't wyverns, i pretty sure they are demons of a type. anyway they have a heart that you put in the sphere's engine, pretty cool power source. the engine room is through the door that is opened through the room with the symbols on the floor.

they are tanar'ri

Go all the way outside (You'll be on another plane), walk around until you find the demon, then get his heart. He's easy.

Wow, sounds like you went to an even different plane.. cackle..