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{{Nihongo|'''Nillious'''|ニリアス|Niriasu}} is a [[Darkus]] [[Nillious]] [[Bakugan]], and one of the main Bakugan characters from the [[Reboot]] SeriesShow.

He is the [[Partner Bakugan|Main Bakugan]] of [[Magnus Black]]; , and the Rival of [[Drago (Dan Kouzo)|Dragonoid]]. Initially had a two-headed hydra/dragon-like design; later on the show, got a three-headed, hydra/dragon/centaur-like aspect due to an intense training that realized alongside his human partner.