Vanescula's offer is an item used in The Branches of Darkmeyer. It is given by Vanescula Drakan after meeting her in response to the letter found in the tunnel in Burgh de Rott. It should be taken to Safalaan.
The offer is a letter from Vanescula to Safalaan. It cannot be read by the player, but conversation suggests that it offers Safalaan information about his past, family and heritage.
It may also relate to Vanescula's offer to help The Myreque to become free.