Armor Knight is a Spirit effect introduced in Super Smash Bros. Ultimate. It occupies two slots and boosts its user’s Attack by 1.15x and Defense by 1.8x. Compared to other Spirit effects, the enhancements Armor Knight provides are unrivaled, though it does come with a drawback of 0.7x movement speed. Armor Knight is generally banned from online tournaments, and is considered one of the “big five” alongside Super Armor, Slow Super Armor, Autoheal, and Great Autoheal.
Whereas Super Armor works best with heavyweights, Armor Knight pairs well with any fighter. It provides extreme boosts to its user’s Attack and Defense, and its movement penalty can be completely nullified if the user runs Trade-Off Ability ↑ or Trade-Off Speed ↑ on the same Spirit team. As a result, running Armor Knight and Trade-Off Ability ↑ or Trade-Off Speed ↑ does not incur any kind of penalty.
Prior to its removal from competitive tournaments, almost every Figure Player used Armor Knight in some way, shape, or form. Fighters with strong off-stage options – including Lucas, Piranha Plant, and King K. Rool, among others – became incredibly dominant. Furthermore, Armor Knight was almost always run alongside a maximized Defense stat, which made matches last much longer.
If Armor Knight were to be reallowed, almost every Figure Player would run it. If every FP runs the same Spirit effects, it essentially removes the main draw of a Spirits metagame (as opposed to a vanilla one): the ability to choose from a selection of viable Spirit effects for the sake of variety. To this day, Armor Knight remains banned from Super Smash Bros. Ultimate. Unless its stat enhancements are significantly nerfed via game updates, it will likely remain banned for the foreseeable future.
Figure Players can only inherit skills from Support Spirits. The Halberd Spirit is the only Support Spirit with the Armor Knight skill. It can be obtained from Funky Kong’s shop, which can be accessed via World of Light. Unfortunately, whether or not the Halberd Spirit is available is left up to chance, making Armor Knight a rather troublesome Spirit to acquire. It is thought that World of Light shops prioritize Spirits that the player does not own, which may make farming repeated Halberd Spirits difficult.
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