Shūkurō Tsukishima

A vertical scar traces down past his left eye, a mark he has carried since a childhood injury. Tsukishima stands unusually tall for a young man, and his shoulder-length black hair falls in loose waves around a face set with brown eyes. His everyday outfit pairs a collared, long-sleeved shirt held up by suspenders with a set of dark trousers.

Composure defines Tsukishima; he drifts through most situations looking unbothered, even carefree, and keeps that steadiness intact when a fight turns against him. That detachment feeds a careful, methodical approach to combat, since he rarely moves without a scheme already in motion. Beneath the poise sits something colder, an amoral streak that lets him savor the suffering his power inflicts on bystanders, prodding victims until their false and genuine memories collide and their minds fracture. The one crack in his indifference is Kūgo Ginjō, the mentor who took him in as a lonely child and taught him to fight; his attachment runs so deep that Ginjō's death shatters his calm entirely, driving him to lash out at Ichigo Kurosaki and wail that no one ever told him how to go on alone. In his final moments, watching Moe Shishigawara stay loyal to the end, he softens and thanks the young man for sparing him a solitary death.

As a Fullbringer, Tsukishima commands spiritual energy far beyond a normal human's, enough to dominate his Xcution peers, trade blows evenly with Ginjō, and hold his ground against a captain of Byakuya Kuchiki's stature. He is a gifted swordsman with speed sharp enough to strike before a target reacts, and he shrugs off wounds that would fell most, staying composed even after losing an arm or taking a mortal blow. His true weapon is a Fullbring called Book of the End, which turns his bookmark into a katana keen enough to slice through nearly anything. The blade offers two kinds of cut: one that simply wounds or kills, and one that splices Tsukishima into the victim's history. Those touched by the second remember him as a lifelong intimate, a relative, friend, or lover, and he absorbs everything they know in the exchange. He can keep tampering with an altered past afterward, though a person who notices the contradictions risks a mental collapse, and a second cut wipes the effect clean. The power extends to objects as well, letting him plant traps in the ground as though set ages ago or learn a weapon's every technique by cutting it. Should he die, every trace of his meddling unravels and his victims return to who they were.