silver age powers i've been reading the house of secrets issues starting with eclipso's debut and have hit issue thus far eclipso does not display super strength or partial invulnerability or any other such thing he is only able to shoot beams of light channeled through his black diamond and has a genius level intellect that is equal that of his host bruce gordon he can build robots handily manipulate people fly airplanes etc in the bruce gordon portion of this article it lists that eclipso has generic super villain powers which i've yet to see i will finish reading these issues and correct for any contrariness