Uncensored blood was gone, replaced with "blue blood," and the dialogue was heavily localized for the 2000s. It’s nostalgic but very different from the source material.
The original 2000s dub (DiC) was censored, changing blood to blue. Saint Seiya (Dub)
They tried an uncut version, which is much truer to the original, but it only covered a limited run. Uncensored blood was gone, replaced with "blue blood,"