Shuren

Shuren is a Sinner imprisoned in the deepest depths of hell for an unspeakable sin which the lore doesn’t tell what. he and his gang of rogue sinners plot to break the gates of Hell to fully escape damnation, and the key for that is Ichigo Kurosaki when they watched his battle with Ulquiorra and how powerful the soul reaper is. so he and his gang of sinners snuck into the word of the living to kidnap Ichigo’s sisters which they partially succeeded when them only taken Yuzu, who is enough to lure Ichigo to Hell. Shuren has the ability to cast fire, a power when he became a Sinner. when he leaves Hell, he has to wear a mask and cloak to conceal his spiritual pressure so not to alert the jailers of their unauthorised exit from Hell.