Complex sentence: The conclusion of "Demon Apocalypse" reveals that Juni is actually Nadia Moore from "Demon Thief", who had feigned her death and joined Lord Loss she was killed by Dervish, but she was resurrected by Death in "Death's Shadow".
Split into simpler sentences: The conclusion of "Demon Apocalypse" reveals that Juni is actually Nadia Moore from "Demon Thief", who had feigned her death and joined Lord Loss. She was killed by Dervish, but was resurrected by Death in "Death's Shadow".