The Angel Eater is also a parasite; it attached itself to Spear Mint within Lind and influenced her to go to Tarikihongan so that Hild and Marller's plan to defeat the goddesses and convert them into demons would take place. The last we've seen of it was when Belldandy and the other goddesses, including Lind, used their angels to send it back to Hell. Since it isn't dead, we may see it yet again in the future. From MangaWiki, a Wikia wiki.