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{{Nihongo|'''Knight Percival'''|ナイト・パーシバル|Naito Pāshibaru}} is a [[Bakugan]] and the evolution of [[Percival]], [[Ace Grit]]'s [[Guardian Partner Bakugan]], in the second arc of ''[[Bakugan Battle Brawlers: New Vestroia]]''. He evolved after receiving the [[Darkus (Legacy)|Darkus]] [[Attribute Energies|Attribute Energy]] from [[Exedra]].