Harlock Saga: Nibelung no Yubiwa

ハーロック・サーガ ニーベルングの指環

Captain Harlock is drawn into a saga of intergalactic proportions when the son of a deceased comrade unwittingly forges the Ring of the Niebelung. Evil forces gather to wage war against the last remaining superpowers of the galaxy led by a demented outcast. Harlock must counter the amassed armadas that threaten the last gods and recover the ring before Paradise is lost.

(Source: Anime News Network)