This article is about a/an set of alternate forms in Kamen Rider Blade.
"Absorb Queen: Fusion Jack!"
―Transformation announcement[src]

The Jack Form (ジャツクフォーム Jakku Fōmu) is a combat extension of the Blade Riders' Rider Systems which harnesses the power of the Category Jack Fusion Rouse Cards via the Rouse Absorber.

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