Ikkaku has achieved bankai, though he keeps this a secret to most characters so that he is not pressured to become a captain. Hōzukimaru's bankai, named Ryūmon Hōzukimaru literally "dragon-crest demon light", takes the form of three oversized weapons connected by a thick chain: two blades in each of his hands and a fan-shaped blade, adorned with a carving of a Chinese dragon, which floats behind him. Aside from the increase in power, his bankai offers no special abilities, and is noted to be unusual for a bankai in this aspect. As a fight progresses, the dragon crest will slowly begin to glow crimson, greatly increasing its power as it does so. He claims that it is lazy and only fully awakens when the dragon crest is fully crimson. Hozukimaru appears as a free zanpakutō in the Zanpakutō Unknown Tales anime arc, resembling a large muscular oni, who possesses the same mannerisms as his master, but is usually lazy about it.