Diablo 1 HD Hellfire Mod | Awake

I have the andariel quest activated, but i can't find where to go. Which level is she located?

And, where do i activated the lost teasure quest, and where do i go from there?

northeast of where wirt stood in the original diablo, there is a rift in the ground. you have to go there.

thank you. I found it, along with the lost treasure