Nightmare Fuel Onion

The Nightmare Fuel Onion is a Boss encountered at the end of the Great Ice Maze. It is also the Onion seen in Gregg's house at the beginning of the game. He arrives at the maze to help Gregg, claiming he received modifications to be of more use, but is angered when Gregg calls him fat and attacks.

Item Drops

 * 100% chance to drop Onion Peeler (Gregg Weapon, +17 ATK, +3 DEF)
 * 100% chance to drop Bitter Substance (+100 HP)

Trivia

 * The theme music played in the Nightmare Fuel Onion battle is Passage Boss from Wario Land 4. This makes it the only Boss battle to not play Megalomania (with the exceptions of the Valve and Skip)