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{{Infobox Bakugan|attribute = Darkus|image = [[File:Knight Percival (toy).png|250px]]|power = 600|variations = [[Percival]]<br />'''Knight Percival'''<br />[[Midnight Percival]]<br />[[Alpha Percival]]<br />[[Alpha Percival Cyclone]]<br />[[Cyclone Percival]]<br />[[Percival Vortex]]|first = [[Six Degrees of Destruction]]|voiced by = [[Scott McCord]] <small>(English)</small>

{{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 Bakugan]], in the second arc of ''[[Bakugan Battle Brawlers: New Vestroia]]''. He evolved after receiving the [[Darkus]] [[Attribute Energies|Attribute Energy]] from [[Exedra]].

Knight Percival is the evolution of Percival. Since his evolution, Percival looks even more like a knight and even has a sword and shield. Knight Percival wears a new cape split in two that protects him from fire and water and has additional horns on his head and shoulders for increased protection from attacks. The two dragon heads on his wrists have moved to his shoulders. He wears impenetrable armor protecting his arms and legs. He also carries a mammoth stainless steel sword to slay his adversaries. Knight Percival can fly on [[Flash Falcon Fly]] to reach greater heights.

===Bakugan Battle Brawlers: New Vestroia===Knight Percival evolved when Percival received Exedra's Attribute Energy at the end of ''[[Six Degrees of Destruction]]''.

In ''[[Saved By the Siren]]'', he faced [[Macubass]], [[Mylene Farrow]]'s new Mechanical Bakugan. He managed to win the first round but was beaten in the second. Knight Percival would have lost, but was saved by [[Klaus von Hertzon]] and [[Sirenoid]]. With their help, Knight Percival defeated Macubass.

In ''[[Virtual Insanity]]'', he, [[Hammer Gorem|Gorem]] and [[Cycloid]] tried out Marucho's new battle field, in a two-on-one despite this handicap, Knight Percival won.

In ''[[Ambush]]'', he battled [[Aluze]] and [[MAC Spider]] alongside [[Minx Elfin]]. They lost and the Darkus Energy was taken.

In ''[[Spectra's Last Stand]]'', when Spectra returned for yet another rematch, he encouraged Drago along with [[Minx Elfin]], [[Saint Nemus]], [[Magma Wilda]], and [[Master Ingram]].

In ''[[All for One]]'', he fought [[Farbros]], the Alternative and the Pyrus Fortress Army. He fought the Alternative alongside The Brawlers.

In ''[[Final Fury]]'', he also fought [[Snapzoid]], [[Lumitroid]], [[Clawsaurus]], and [[Farakspin]] (Digital Clones) in a place that looked like [[Bakugan Interspace]]. He later destroyed the Alternative with the combined efforts of himself, Master Ingram, Saint Nemus, and [[Helix Dragonoid]].

; Ability Cards* '''Black Out''': Nullifies all the opponent's abilities.* '''Stray Thunder''': Adds 300 [[G Power|Gs]] to Knight Percival.* '''Dain Sleif''' (''Thunder Sword/Dang Sleath''): Adds 300 Gs to Knight Percival.* '''Bind Shield''' (''Blind Shield''): Transfers 300 Gs from the opponent to Knight Percival.* '''Geor Gunner''': Adds 500 Gs to Knight Percival.

; Fusion Ability Cards* '''Vermilion''': Subtracts 200 Gs from the opponent.* '''Deathly Karbia''' (''Death Karbia/Mortal Karbia''): Transfers 200 Gs from the opponent to Knight Percival.

==Physical Game==Knight Percival is released in Japan in [[Darkus]], [[Subterra]], [[Pyrus]], and [[Aquos]]. It spins like Percival Vortex.

In Japan, the Pyrus version in BST-10 comes with 500 Gs. The Subterra version in BST-10 comes with 540 Gs. The translucent Darkus version in BST-10 comes with 560 Gs. The Darkus version in BBT-04 comes with 520 Gs. The Aquos version in BST-10 comes with 520 Gs.

*During his first battle, he mistakenly introduced himself to [[Macubass]] as "Darkus ''Midnight Percival''".**He was only referred to as Knight Percival and Midnight Percival once each in the dub, meaning that it is entirely possible that his name (in the dub) is Midnight Percival, due to the fact that Japanese names not being translated was common in the second half of New Vestroia.*Strangely, he and Minx Elfin have the same pose on the [[Gauntlet]].*Currently, Knight Percival is the only evolved Bakugan that had one of his abilities become weaker in terms of G-Power effects. His original '''Darkus Thunder''' added 300 Gs to him and subtracted 200 Gs from the opponent. But his new ability, '''Stray Thunder''' (shown above) just adds 300 Gs to his G-Power.*He is the first Bakugan to win a battle in Bakugan Interspace.

{{NV main characters}}{{Bakugan 2}}[[Category:New Vestroia Bakugan]][[Category:Bakugan: New Vestroia]][[Category:Legendary Soldiers]][[Category:Guardian Bakugan]][[Category:Season 2 Bakugan]][[Category:Battle Brawlers]][[Category:Bakugan Battle Brawlers Resistance]]

[[Category:Evolution Bakugan]][[Category:Bakugan with Fusion Abilities]][[Category:Japan Exclusive Bakugan]]