Quest 536: Mission: The Underworld Pt. 6
Mission: The Underworld Pt. 6 Underworld Caverns: Depths AP 25 Speed Invisible LV 140
2 Netherstone 3 Netherwater
Defeat all enemies within 1 turn: 6 Avatar Coins Inflict 15000 or more damage with 1 hit (excl. Nova): 4 Avatar Coins Complete without having to continue: 1 Mythril Shard
Depths A2 Invisible: 1 Target Invisible, 1 Invisible