Vol. 1The Blood King’s Release
Fanxin learned about his Soul Clan heritage, freed the wolves, and bargained with the Blood King for Wolf Valley and part of the King’s soul. The Blood King took control of Fanxin’s body, leaving Fanxin and his companions poised to fight him.
- Black Cat revealed its mechanical transformation powers, and Fanxin rescued Ren Fang from pirates while Black Cat stole their valuables.
- Little Fox entered Fanxin’s body, but Fanxin awakened Conqueror’s Haki, learned he was the Soul Clan’s young master, and accepted Grandpa Nick as his grandfather.
- Grandpa Nick revealed that Fanxin’s parents had left him in his care after the Soul Clan massacre, and Fanxin trained with Ren Fang before accepting half of Little Fox’s soul.
- Fanxin freed the wolves from the Tower of Vicious Wolves, gained Langyue as a companion, and spotted a massive pirate ship ahead.
- Fanxin rescued the Iron Fist Pirates’ workers and learned from Garp that Akainu had attacked the Soul Clan.
- The Blood King revealed his plan to take Fanxin’s body, and Fanxin’s companions prepared to flood the tower while Xiaojin proposed protecting him by replacing his blood.
- Fanxin flooded the tower and offered his body to the Blood King in exchange for Wolf Valley, while the Wolf God gave Wolf Valley to Ren Fang and God's Protection to Fanxin.
- After joining Luffy’s crew against the Black Cat Pirates, Fanxin exchanged his body for part of the Blood King’s soul, and his companions joined the fight as the Blood King countered him with a blood-red dragon.