Thread:LOTRMod/@comment-29680750-20160908145057/@comment-32202707-20160911231129

Tolkien Gateway says, "The Olog-hai had none of the old Troll vulnerabilities: they were very intelligent and able to endure the Sun." There were also Olog-hai in southern Mirkwood, which we refer to as Mirk-trolls. Hill-trolls do turn to stone in sunlight in the mod, like regular Trolls.