Yumiko (heh kny oc)
She's a jade breather...it's got 8 forms, but you don't have to read them.
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First form : Gleaming Shard
Second form : Thousand Carats
Third form : Unbreakable Mirror
Fourth form : Piercing Emerald Vein
Fifth form : Imperial Heaven's Altar
Sixth form : Coruscating Prism
Seventh form : Hidden Nephrite - Polished Edge
Eighth form : Green Earth Heart - Eternal Jadeite