Orochi
Mythological
Yamata no Orochi in Japanese myth was a massive Eight Headed, Eight-tailed Dragon/Snake. It makes only one apprience in the story Susano'o after being banished from heaven for pranking his sister Amaterasu(by going on a rampage through her lands and scaring your sisters weaver to death by throwing a flayed horse). Anyway, he came across a couple of Earthy kami that were annually offering their daughters to it for 7 years to opiess it and ask Susano'o to slay it be for it eats their last daughter. As Classical Heros do, he exepts on the condition of marriage. He then filed eight giant bowls of liquor so the monster would get drunk and the god would cause the course the local river to be flooded with its blood. what made Orochi a better known story was the fact that Susano'o Discovered a sword in its center tail which he used to bribe his way back to heaven and became one of the three sacred Regalia of the emperor.
Magic the Gathering
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Orochi are a race of bipedal, four-armed serpentfolk native to the Magic: The Gathering plane of Kamigawa. Denizens of the Jukai Forest, they are a hunter-gather people segregated into three main tribes; the Kashi (warriors), the Matsu (scouts), and the Sakura (shamans). Despite their startling appearance, they are a friendly people who are on good terms with humanity, learning martial arts from the Budoka, the warrior-monks who cohabit their forest. Their shamanistic magic is based on their reverence of the land's kami (spirits) and is noticeably tied to the seasons. This gives the race a strong affinity for Green Mana.
Sadly, because of how badly the Kamigawa block was received, little else is known about the orochi. Which is a shame, because they would make a great race for an Oriental Adventures setting. Alas, their appearance in an article of Plane Shift is uncertain at best.
Gallery
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An Orochi hatchery