Saito Kagizu, or "Cat of the East" as the thieves of Athkatla called him, brought several of these ninja swords with him when he arrived in Faerûn. They were part of his personal collection, ninjatō that he either "collected" from rivals or designed himself. When he died, his mistress gave away the swords to her other lovers, all of them powerful thieves in their own right.
This article is a