Cannot take control over heroes, creep-heroes and units already owned by Lifestealer.Appears when Infest is cast and stays until Lifestealer gets out of the host.This ability got removed in the 7.23 gameplay patch.Once purchased, Lifestealer cannot drop or sell his Aghanim's Scepter.The infested unit receives the Infest Effect modifier, which creates the visual effect above it, visible to allies only.Cannot be cast on Roshan, couriers, wards, buildings, enemy heroes and enemy creep-heroes.When on level 2 or higher, can be cast on and take control over ancient creeps.Can be cast on, but cannot take control over allied heroes and allied creep-heroes.