User blog comment:Xilinoc/Ch. 590 - Marching Out the ZOMBIES/@comment-5693502-20140723160745/@comment-5693502-20140723205518

Nahhh, I think Segunda Etapa was an Ulquiorra exclusive ability that was present only to highlight the power of Ichigo's inner Hollow (I mean what other reason would there be for the 4th ranked Espada having a hidden super duper power-up).

Though if that did happen, it would come as a shock.