Saint Seiya: Saintia Sho Vol. 13 (manga)
A GARDEN OF LOST SOULS
Shoko and the rest of the Saintia continue to search for the lost relics they need to rescue Athena. Luckily, Shoko runs into an old and powerful ally, Mayura! But there's something off about Mayura, a darkness in her aura that wasn't there before. Can Shoko trust her friend, or has she become just another enemy?