What Kind of Crimson Fire Cannon Was This?

Jushiro Ukitake caught Shunsui Kyoraku and discovered that Shunsui's body was alarmingly light, even lighter than his own frail body. The water, bones, and muscles within him seemed to have lost all weight. The water, bones, and muscles in his body had all been pierced through by He-El's Shadow World material conversion. His body was riddled with holes, colorless fluid flowing out mixed with murky blood. His entire body was more tattered than a rag. Jushiro's pupils widened. He could not believe Shunsui had been reduced to this state.