Robe of Red Flames

First appeared in Siege of Dragonspear, this item can be imported into BG2EE, it's equipped on Edwin.

In-game description
"Robe of Red Flames This heavy crimson robe trimmed in gold signifies the importance of the wearer. Once the property of Edwin Odesserion, Red Wizard of Thay, the robe was designed to further enhance his already significant magical prowess. Anyone who dons the Robe of Red Flames will deal additional damage whenever they use fire-based magic and will be less likely hurt by it."