Level 15 is the third Hell-style level in the original Diablo. The player(s) reaches Level 15 after from a stairway in Level 14. Somewhere in Level 15 there is a weapon rack that contains Lazarus' staff and starts Archbishop Lazarus quest, which will upon completing enable your character to enter the Level 16.
- When the player finds the Vile Stand, clicking it will retrieve the Lazarus' staff, which is needed in the Archbishop Lazarus quest. Player then needs to take the staff to Cain, which will make a red portal to Archbishop Lazarus's Lair (the portal can be found near the pentagram at Level 15) to appear.
The following monsters can be found in Level 15: