While spying on the Millefiore Family , Mukuro engages Byakuran in battle .
While spying on the Millefiore Family , Mukuro is severely wounded , causing Chrome 's organs to disappear and nearly die .
While spying on the Millefiore Family , Mukuro engages Byakuran in battle but is severely wounded , causing Chrome 's organs to disappear and nearly die .