Complex sentence: When Unit-13 reaches Lilith's corpse and the abandoned Mark.06 replacing Lilith's head which is with Gendo, Kaworu realizes something strange-both spears are Longinus types.
Split into simpler sentences: When Unit-13 reaches Lilith's corpse and the abandoned Mark.06 replacing Lilith's head which is with Gendo. Then, Kaworu realizes something strange-both spears are Longinus types.