User blog comment:LexFacie/Thoughts about Bankais./@comment-25065646-20140710180124/@comment-25032153-20140713031746

Oetsu Nimaiya was the person how made the original sword. So if he sees Yhwach use of Zenka no Taichi so he could in fact be able to make the Bankia release it self from Yhwach medaillons which would the cause it to resurrect it former master and fight them with the Royal Gaurds and the King.