User blog comment:Xilinoc/Ch. 607 - THE MASTER/@comment-26815763-20141127220638/@comment-11051098-20141128145350

If he could use the Bankai of any Zanpakutô he's created, he would be real damn dangerous.

Just look at how effortlessly he killed off all 4 Elite Sternritters with Sayabuse before they were revived.