Note that Jack does not appear when you first pass through the level. You must return later to get the quests.
- 10th Floor, Return to Jack (by the dwarf stairs) on the 10th Floor's Way to the Quarry 2 after retrieving 10 Adventurer's Diaries from Iron Chins.
- 13th Floor, Return to Jack in 13th Floor's Tower Reactor1 with a Secret Privacy of the Sage from the 13th Floor's Tower Reactor Secret Privat Thoughts of the Philosopher which is located in Reactor 3.
- 17th Floor, kill 30 ice golems. Reward: 5500 XP, 2500 gold, Explorer's Earrings (L48 Earrings, Extra Exp(%) +50, Extra Gold(%) +50, 0-3 various stat.)