Heavenfall Temple is functioning completely retail. Just like on PW International, you will get through the dungeon completely normal, no changes were done to the mechanics or whatsoever.
We highly recommend, that you check out the official Guide under the following link:
Beside the original EXP Orbs, you will now get rewarded also the following items:
Available in all Rooms:
Available in Boss Rooms:
Note: Useful items such as Refine Orbs are still available