User blog comment:Xilinoc/Ch. 550 - Blazing Bullets/@comment-1837917-20130926012221/@comment-5551986-20130926180151

I doubt they will go Volstandig just yet if at all while fighting the Gotei. They still have many tricks up their sleeve and as far as blut vene goes, its pretty resilient against shikai, if the captains use bankai they will get stolen, 4 stern ritter besides Yhwach have a bankai too. Also we have yet to see their "ace in the hole" blut arterie. So far only ludicrously powerful people such as Kenpachi and Yamamoto have defeated Stern Ritter using shikai. I dare say Ichigo could have defeated Quilge with his had he not used Volstandig.