Dragon! A Sacrificial Blow
Two new silver saints arrive to take Saori, they are Capella, Silver Saint of Auriga (he uses discs to attack) and Dante, Silver Saint of Cerberus(he uses a spiked ball and chain). Hyoga and Shun fight them, but are defeated and thrown into the abyss. Just as they aproach Saori and a wounded Seiya, Ikki shows up. Saori is glad Ikki is finally back, but Ikki explains he and he's there only to help. Ikki draws a line on the ground and states it is the borderline between life and death, should the silver saints cross it they'll die. Capella is angry and attacks, but is defeated with a single punch. Dante uses his ball and chain but Ikki easily blocks all threats, jumping to the other side and explaining that he has already crossed the borderline between life and death many times, so that means nothing for him. Dante attacks once again but Ikki dodges and beats him with an uppercut. Ikki picks up Seiya and proceeds to leave when Capella gets up and throws a disc towards him, beheading I
Aired 09/05/1987EP 28 - Dragon! A Sacrificial Blow

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)