Ulquiorra flashed Ienzo a brief look before he separated from him. He didn't need to instruct Ienzo-san to stay put, because he knew Ienzo-san would do that anyway. Still, Ulquiorra flashed him a look before he joined the others.

The reiatsu was intense, but it was fire elemental, and Ulquiorra was water, and so it didn't set his nerves on edge the way a thunder elemental would have done.