After they return to the Soul Society and Rukia is imprisoned, Renji periodically checks up on her, trying to keep her spirits high despite her impending execution.

Once he recovers, Renji escapes from his confinement and begins training to achieve bankai of his zanpakutō.

Following this battle, Renji goes to the site of Rukia's execution in a last attempt to save her despite his extensive injuries.

During the second arrancar invasion, Renji fights against Ilfort Grantz, whom he manages to defeat once his power limit is lifted.

After the group splits up, Renji is joined by Dondochakka Bilstin while traveling through the arrancar base Las Noches.

No longer able to attack, Renji and Uryū are left at Szayelaporro's mercy until Mayuri Kurotsuchi arrives to save and heal them.

Renji meets the Fullbringer Jackie Tristan in combat, and easily defeats her, revealing that he had trained the same time is too powerful enough to fight Aizen.

After attending Sasakibe's funeral with Byakuya, the two face off against Stern Ritter F, Äs Nödt, after the Wandenreich invade the Soul Society.

Renji attempts to avenge Byakuya by activating his own bankai, but is blindsided by a kick from another Stern Ritter and is knocked across the Seireitei.

After finishing his training with the Royal Guard (and perfecting his Bankai), Renji and Rukia return to the Soul Society, and arrive just after Sternritter "S", Mask de Masculine, has killed several Captains and Lieutenants.

For most of the series, Renji's Bankai was believed to be Hihiō Zabimaru (狒々王 蛇尾丸, lit.

[1][2] In Bleach: Fade to Black Renji and other Soul Reapers lose their memories of Rukia and Ichigo, and ends confronting them later.

[3] He is also present in the original video animations The Sealed Sword Frenzy combating the rogue Soul Reaper Baishin.