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 Reactor 1 with a Secret Privacy of the Sage from the 13th Floor's Tower Reactor Secret Private 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.)
- Extra Exp% and Extra Gold% both have chances to be above 50% (seen up to 54% Exp and 92% Extra Gold)
- Various Stats include: All Stats (+2 up to +6*), Normal Stats (*), MP Recovery (*) Max MP Increase, HP Recovery (*), Max HP Increase (up to +200), Elemental (Earth, Air, Water, Fire) Resist (+10 up to +20), All Resist (confirmed +8), Blocking (+2% minimum) and Defense (+10 up to +40).
- (*) denotes that these numbers may not cap at +6, and be a higher value (estimated +8).