Shadegrub

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The Shadegrub is a species of mandiblard that hides in the shadows and attacks by swarming.

=In fanon games=

In Pikmin Rebirth
The Shadegrub is a species of mandiblard appearing in Pikmin Rebirth. They only appear in the deepest and darkest caves, acting as one of the more frightening encounters within them; part of the reason is due to having pitch-black bodies, slug-like anatomy, and glowing red eyes. They also are frightening due to their behavior, as Shadegrubs are opportunistic scavengers, only appearing if a corpse is left alone for too long. When they find a notable piece of carrion, they will swarm the corpse and quickly devour it, with more Shadegrubs taking its place. Shadegrubs are highly dangerous as they can quickly swarm and devour a squad of Pikmin. What makes them even more dangerous is the fact that these swarms can become even bigger by exposure to poison, electricity, and acid, all common methods of dealing with other enemies. Due to these facts, the best way to deal with them is to flee, as, despite the size of their swarms, Shadegrubs are easy to distract. Any large pieces of carrion will redirect pursuing Shadegrubs to it for devouring purposes. Additionally, they are attracted to sources of energy; while they should be lead away from electricity, fire and light can prove to be the swarm's downfall as the heat can quickly burn and shrivel up the swarm, eventually killing it. While Shadegrubs aren't considered boss enemies, killing a swarm still drops a large amount of sparklium and the occasional relic, meaning that there is good reason to hunt these creatures down. Still, their sheer numbers and frightening speed make them one of the most formidable opponents to face.