Complex sentence: Recently having died himself, it seems the old man is hinting to us that Misaes' spirit has almost left her body, but before she leaves this world and her beloved Keiichi Ikari, she vows to rescue him herself.
Split into simpler sentences: Recently having died himself, it seems the old man is hinting to us that Misaes' spirit has almost left her body. But before she leaves this world and her beloved Keiichi Ikari, she vows to rescue him herself.