In Norse myth, the figure governing this domain was married to Rán, and his daughters were the billow maidens.
A goblet of wine filling six tubs was sent to a deity of this domain, Repun Kamui. In Norse myth, the figure governing this domain was married to Rán, and his daughters were the billow maidens. Orochi was slain by the Shinto god of this domain. One god of this entity was a patron of horse-racing. That god's Greek counterpart was accompanied by Galatea, Thetis, and other Nereids, and hindered Odysseus' journey home. For 10 points, name this aquatic domain of Neptune and Poseidon.
A goblet of wine filling six tubs was sent to a deity of this domain, Repun Kamui.
{sea} or {ocean deities} [accept equivalents, prompt on {water}]