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Kirby: Planet Robobot screenshot
Name (JP) ポイスンボロス
- Meaning Poisonboros
In Games
Copy AbilityPoison

Miasmoros is a mid-boss appearing only in Kirby: Planet Robobot. It is a member of the Galboros family and a somewhat toxic relative of the enemy Galbo. When defeated, it can be inhaled to get the Poison ability.

Physical Appearance

Miasmoros is a slug-like Galboros whose body appears to be made entirely of green slime. Brown sludge covers the top of its head and runs down its back, and it also seems to have bits of metal protruding like spines. It has large yellow eyes with a red tint around the outer edge and its slightly-slitted pupils.

Its upgraded form, Miasmoros 2.0, has purple slime instead of green, making it resemble Poison Kirby to some extent.


KPR Waddle Dee 2 This section is currently under construction

Kirby: Planet Robobot

Meta Knightmare Returns and The True Arena

Miasmoros appears in its 2.0 form in Meta Knightmare Returns and The True Arena.


The enemy's name is likely a corruption of the word "miasmas", which means "a highly unpleasant/unhealthy smell or vapor" or "an oppressive or unpleasant atmosphere that surrounds or emanates from something".


  • So far, Miasmoros is the only Galboros without a corresponding Galbo enemy. However, it bears heavy similarities to the Benogoo enemy, implying a connection between them.
  • Miasmoros 2.0's appearance bears a passing resemblance to Muk from the Pokémon franchise. Like Muk, Miasmoros attack's are also poison based.

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