Other then Tenseiga, Sesshomaru's other sword is called Tokijin, which means 'Demon Fighting God'.
Sesshomaru's real sword which he produces himself appears later in the 日本漫画 and then much later in the amime (season 8) it is called Bakusaiga and possess the power to channel a virus into whomever the blade cuts causing the body to disolve, the effect of the blow continues to affect the enemy untill he is dead, and can ifect other previously uninjured parts just 由 coming in contact with the parts that are infected. Making Sesshomaru's Bakusaiga the most leathal of all the Demon Blades in Inuyasha. Once struck, with even just a scratch there is no escape.
