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Necrodeus KMA Artwork.png
Artwork of Necrodeus from Kirby Mass Attack.
First game Kirby Mass Attack (2011)
Latest game Kirby Star Allies (2018) (cameo)
Weakness(es) Kirby
Similar to Nightmare, Wham Bam Rock, Traitor Magolor
Theme music

Clip of "Terrifying Fiend" from Kirby Mass Attack

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A rainbow seems to be a universal symbol for harmony! But I wonder what Necrodeus sees when he looks at a rainbow? Probably gives him a headache.
— Daroach in Kirby Mass Attack

Necrodeus is the primary villain of Kirby Mass Attack and the leader of the Skull Gang. He is the final boss of the game and is fought in his homeland, Necro Nebula. Necrodeus is responsible for splitting Kirby into ten smaller copies in order to more easily destroy him. He resembles Nightmare to a certain extent, though he has a more skeletal appearance.

Role in Kirby Mass Attack[edit]

In the introductory cutscene of Kirby Mass Attack, Necrodeus appears seemingly out of nowhere while Kirby is sleeping in a field. He zaps Kirby with his magic staff, splitting Kirby into ten much weaker mini-Kirbys. Necrodeus then proceeds to destroy the Kirbys one by one, but the very last Kirby manages to get away, guided by his heroic heart which popped out of him. Necrodeus' primary motive for destroying Kirby is merely to get rid of the greatest obstacle in the way of allowing him and his Skull Gang to spread darkness across Popstar and claim it as their territory.

Throughout the course of Kirby Mass Attack, Necrodeus' minions, the Skullys, continue to harass the Kirbys. One instance of this is when the Skullys pull all but one Kirby off their Warp Star as the Kirbys attempt to travel between the Popopo Islands. This incident forces the last remaning Kirby to replenish his fallen companions once he reaches his destination.

After the Kirbys evade the Skull Gang and destroy Necrodeus' greatest minion, Skullord, the Skull Gang's influence is broken across the islands and their homeland, Necro Nebula, comes into view. The Kirbys travel there and confront Necrodeus directly. As they enter his hall, they see the staff he used to split them apart and attempt to get it, but Necrodeus appears and swallows the staff, forcing the Kirbys to defeat him for it. Once Necrodeus is finally defeated, he is banished into a dark void, leaving the staff behind and allowing the Kirbys to finally reunite into one puffball.

Boss Fight[edit]

Necrodeus is faced at the end of Necro Nebula. He attacks in three phases, using his hands for the first two and his skull for the final.

The first phase has him using his hands separately and one at a time to pound the ground. As he pounds, the Kirbys will have to fling themselves at the weak point on the back of each hand. Breaking both of Necrodeus' weak spots will deal damage to him and trigger the next phase.

The second phase has Necrodeus using his hands to channel energy and attempt to clamp the Kirbys. First, the Kirbys must dogpile onto the hands as they open, being careful not to get squished in the process. Then, after the hands are immobilized, they must attack the weak points again. Once both weak points are damaged, the hands are finally destroyed.

The final phase places the Kirbys in a zero-gravity situation, and has Necrodeus summoning Skullions and fire-spitting crossbones at them. Should that fail, he will drift into the area himself and attempt to fire energy beams from his mouth. As he charges up the more deadly variety, an eyeball appears inside his mouth which the Kirbys must attack. Once it is sufficiently damaged, Necrodeus is sent into a dazed stupor, where the Kirbys then engage in a tug-o-war to finally destroy him.

Miscellaneous flavor text[edit]

  • "Necrodeus hates light and wants to steep the world in darkness. As a pirate, I can respect that. But with no light, all my treasure would cease sparkling. And I can't have that. Do everything in your power to stop him. My gold must shine!" --Daroach, in Kirby Mass Attack


  • According to Daroach, Necrodeus chose to attack Popstar because it was "the brightest star in space".[1]
  • The name Necrodeus is a combination of the words "necro" (a prefix from the Greek "nekros" that relates to death) and "deus" ("god" in languages such as Latin and Portuguese), which together mean "death god".
  • Necrodeus' appearance in the opening cutscene differs from his appearance in his boss battle and official artwork for unknown reasons.


Names in other languages[edit]

Language Name Meaning
Japanese ネクロディアス
French Nécrodéus Necrodeus
German Nekrodeus -
Italian Necrodeus -
Korean 네크로디어스
Spanish Necrodeus -


  1. Your home, Popstar, is the brightest star in space. It was only a matter of time before Necrodeus decided to smother its light.
    — Daroach in Kirby Mass Attack