Simplify the following text for a Grade 2 native English-speaking person.
Original: Frodo recovers in Rivendell under the care of Elrond . The Council of Elrond reveals much significant history about Sauron and the Ring , as well as the news that Sauron has corrupted the wizard Saruman .
Simplified: Elrond tells them of Sauron and the One Ring .