Turnabout is fair play. The Turnabout mod adds a new wrinkle to the final fight in Throne of Bhaal, enabling the player to recall up to three dead allies to aid in the battle.
Seven possible allies are available:
Alianna (the PC's mother)
My update, made 14 years after the mod's release (to be clear, I have nothing to do with the original team), makes this classic mod compatible with EE, as well as fixes critical bugs present in the first version. A version is also provided for the original BG2, for users who don't want to use EE but want the fixes present in my update.