In Act 3 of Baldur's Gate 3, players can learn that Raphael is currently residing in the Sharess' Caress, a brothel on the South Span in the Rivington region. He's here to offer the party a deal: he'll give the party the Orphic Hammer, an item that can free Orpheus, and in exchange, the party must give him the Crown of Karsus once they defeat the Absolute.
Baldur's Gate 3: Should You Take Raphael's Deal in Act 3?
Raphael offers a tempting deal in Act 3, but it's not as game-changing as he'd like players to believe.