One-time quest
Nightmare Fuel
Kill 25 Dark Aliens
How to complete Nightmare Fuel
Start with C.R.A.B. Agent in Forgotten Under Underground. Defeat 25 × Dark Alien. Required level: 45. Repeat: One-time quest.
Useful links: C.R.A.B. Agent · Forgotten Under Underground · Dark Alien
Guides: Finding items, mobs, and NPCs
Objective
Defeat 25 × Dark Alien.
Rewards
XP12,000
Coins12,000
Where to start and finish
Where the quest begins, who offers it, and where to deliver it.
Weekly quests reset every seven days. Other repeating quests reset daily; quests without a repeat interval are one-time quests.
Quest summary
Kill 25 Dark Aliens
Quest description
I've figured out that these Dark Aliens here are part of what's causing these abominations to spawn down here. Quickly stop them!