User blog comment:Xilinoc/Ch. 665 - The Princess Dissection/@comment-5303512-20160310225005/@comment-5303512-20160311181934

I thought it was when the Quincy get bitten by Hollows that it infects them?

But other than that, how can Grimmjow be able to catch up to Elite Stern Ritter level just in the span of 1.5 years? Even when they defeated the Royal Guard who were supposed to be stronger than all of the 13 Gotei put together.