Complex sentence: Returning home after surviving Arcade's assassination attempt and enjoying the thrill of danger, she was vaporized by another counterpart from an alternate universe, Opal-Lun Sat-Yr-9.
Split into simpler sentences: Returning home after surviving Arcade's assassination attempt, she takes delight in the thrill of danger. Then she is vaporized by another counterpart from an alternate universe, Opal-Lun Sat-Yr-9.