Shiryu in Danger! The Cloth Graveyard
Seiya is suffering from Black Death's curse and is on the verge of death, while Hyoga tries (in vain) to defeat Ikki. Shun finds Seiya and tries to help him, but Black Andromeda and Black Dragon show up and Seiya makes a last sacrifice so Shun won't get killed. Shun manages to kill his black shadow and Shiryu appears and challenges Black Dragon. The combat between the Dragons is about to begin!
Aired 27/12/1986EP 10 - Shiryu in Danger! The Cloth Graveyard

1986
Saint Seiya: Knights of the Zodiac
Ages ago, the goddess Athena was served by fighters called Saints who channeled the power of the Cosmos within them. Now a youth named Seiya has trained to become a Saint himself by earning the mystical Cloth of Pegasus. He is joined by other Saints with Cloths of their own to fight for Athena.
(Source: Anime News Network)