The Eternal Mark is the 13th episode of the D.N.Angel anime.

In this episode, when Dark goes to steal the Eternal Guide statue, a sealer placed by Satoshi causes Dark, Risa and Takeshi's souls to be trapped inside a stone. To rescue them, Daisuke has to travel into what appears to be the future with Towa, the incarnation of the Eternal Mark. While there, he stumbles upon someone special...