Stairway to Hell (quest)

 a limited-time questline released on November 1st, 2020. It the main questline of Act 3 of the Treehouse of Horror XXXI Event, progressing through it  all of the Act's personal prizes. It preceded by a short intro quest Hell is Other Students. It's succeeded by the quest The Hell of the Class.

Quests
*Only appears if the player has Old Scratch.

**Only appears if the player has unlocked Lisafer.

***Only appear if the player doesn't have Lisafer.