The legend of a warrior; chapter 45: Into Heaven
Sizes, anyway, did not matter much, since all of the gods could obviously sizeshift: in heaven and hell, that ability was so common and cheap that practically every soldier, even the last of grunts, possessed it.
The Myth and Legend of a Monster: The Divine Legend
Despite this claim, he does that if he sizeshifts, his cock will at its smallest size be easily dwarfed by kiaru's cock.