Complex sentence: When Szayel takes Nemu hostage, Mayuri calmly releases his "bankai" and has it crush Szayel.Szayel survives the attack, revealing Fornicáras' most treasured ability; rebirth.
Split into simpler sentences: When Szayel takes Nemu hostage, Mayuri calmly releases his "bankai" and has it crush Szayel. He survives the attack, revealing Fornicáras' most treasured ability; rebirth.