|“||Don't touch this creeping horror—that roiling venom is pure poison!”|
|— Quest Description (Tough) • Team Kirby Clash Deluxe|
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.
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, with large bits of metal and concrete debris emerging from the latter. It has large yellow eyes with a red tint around the outer edge and its slightly-slitted pupils.
Its upgraded form, Miasmoros 2.0, recolors its green sludge purple and its brown sludge green.
In Team Kirby Clash Deluxe, it appears similar to its original form, except that it has large bubbles/boils instead of metal and concrete debris.
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Miasmoros is a recurring boss in the game. It attacks with a wide range of poison-based attacks, such as spitting up blobs of sludge that slide along the ground, shaking chunks of toxin-soaked junk from its body, and breathing a massive stream of poisonous goo. It can also charge or jump at Kirby, leaving damaging puddles of poison in its wake.
Miasmoros 2.0 appears in Meta Knightmare Returns and The True Arena. It uses more elaborate versions of its basic form's attacks along with a few new moves, such as a giant ball of poisonous debris that explodes into smaller projectiles if left alone.
Miasmoros is first fought in the Volcano after being unlocked for 12 Gem Apples. It is in the Tough boss category and must be defeated before the player can access Pyribbit. It uses its attacks from Kirby: Planet Robobot.
Miasmoros is next fought in the Grasslands after being unlocked for 36 Gem Apples. Here it is in the Tougher boss category, and must be defeated before the player can access Landia EX in the Decisive Battlefield. Miasmoros gains a few moves from its 2.0 form in Kirby: Planet Robobot, and some moves are altered to catch the player off-guard and fire more projectiles.
The enemy's name is likely a corruption of the word miasma, which means "a highly unpleasant/unhealthy smell or vapor" or "an oppressive or unpleasant atmosphere that surrounds or emanates from something."
|“||Guess who's oozed back onto the scene! The only antidote...is justice!”|
|— Quest Description (Tougher) • Team Kirby Clash Deluxe|
- So far, Miasmoros is the only member of the Galboros family without a corresponding Galbo enemy. However, it bears heavy similarities to the Venogoo enemy, implying a connection between them. In turn, Venogoo uses attacks similar to those of Water Galboros, implying a connection back to the rest of the Galboros family.
- In Team Kirby Clash Deluxe, Miasmoros spits various objects when attacking. These include planks of wood, shields from Sword Hero armor, Gabon skulls, and spike balls. The spike balls appear to be scaled-down versions of the ammunition used by Royal Road Lollipop Tanks in Kirby: Triple Deluxe.
- Kracko releases several of these same objects in his battle.