Tai-E

Description
A legendary sword found in the Tomb of the Cursed Demon. It is the sword Joo Seo Cheon used to replace Yae-Han. It was one of the three swords Forged by the legendary master of sword-masking, Ou Yezi. Ou Yezi forged it for King Goujian of Yue. The sword is estimated to be over 2,500 years old much stronger than Yae-Han. Despite the passage of time, the Tai-E is seemingly unaffected, with not a single trace of rust upon its discovery.