Complex sentence: During the battle, Black Beetle claimed to be the future incarnation of Hector, wanting revenge for Nadia's death, only to immediately retract his statement, claiming to have killed Hector and taken his scarab.
Split into simpler sentences: During the battle, Black Beetle claims to be Hector's future incarnation, wanting revenge for Nadia's death. He retracts his statement, claiming to have killed Hector and taken his scarab.