Complex sentence: In the sixth book, Manfred is revealed to have survived the attack of the leopards, but to have suffered lacerations to his throat, as well as severe facial scarring as a result of being mauled by the creatures.
Split into simpler sentences: In the sixth book, Manfred is revealed to have survived the attack of the leopards. However, his face is severely scarred and his throat lacerated as a result of being mauled by the creatures.