Historical rules checked against the official guide archived on 2010-06-25. This article describes that version; CONQUERITA availability is configured separately.

Before starting

Herald: Market (303,250). Pay 10,000 silver for F1–10; floors 11–15 require single-use permits.

Walkthrough

Follow these steps in order. Item and NPC names are kept as they appear in the game.

  1. Choose your floor

    Guard (194,166) assigns tasks; completion opens four portals that advance, reverse or retain you.

  2. Boss or continue

    Continue upward or kill the boss; killing it returns you to Market.

  3. Paid floors

    Buy Crystal Merchant’s permit (303,254); right-click for direct entry.

  4. Crystal reward

    F11–15 crystals: right-click for EXP or sell to Crystal Merchant for CPs.

Fiend's Lair — original quest illustration 1
Original guide image 1. Source reference: 2010-06-25.
Fiend's Lair — original quest illustration 2
Original guide image 2. Source reference: 2010-06-25.
Fiend's Lair — original quest illustration 3
Original guide image 3. Source reference: 2010-06-25.
Fiend's Lair — original quest illustration 4
Original guide image 4. Source reference: 2010-06-25.
Fiend's Lair — original quest illustration 5
Original guide image 5. Source reference: 2010-06-25.

Historical prices and outcomes

Alternative outcomes; EXP in EXP Ball equivalents.

FloorPermit CPsBoss outcome
1—0
2–10—Silver: 5000/10000/15000/25000/50000/100000/150000/200000/250000
1110EXP⅙; CPs 10/20/270/1380
1250EXP⅚; CPs 25/50/100/1350/6900
13100EXP 1⅔; CPs 50/100/200/2700/13800
14200EXP 2½; CPs 100/200/400/5400/27600
15500EXP 3⅓; CPs 250/500/1000/13500/69000