Shawlong has a long face and black hair that is braided, usually hanging over his shoulder. What remains of his mask sits on the top of his head, with a portion dropping down to cover part of his face. The eye holes in this mask are simple slots. He wears typical Arrancar attire: a white jacket with black lining, a white hakama, and a black sash. Unlike many others, he zips his jacket most of the way up, concealing the hollow hole that characterizes him as a hollow.
Shawlong is identified as Arrancar number 11, but this does not indicate his rank in terms of power. Arrancar numbered 11 and above are numbered according to their birth order. The top ten are then renumbered from 1 to 10 and designated as Espada. Therefore, the full extent of Shawlong's power remains unknown; it is only clear that he is not among the ten most powerful Arrancar.
Shawlong stands out among the Arrancar seen so far due to his high intelligence. During the assault on the material world, he acts as if he is second-in-command to Grimmjow. His influence seems significant, particularly regarding the decision to invade the material world, as evidenced by comments made during Grimmjow’s argument with Ulquiorra. Shawlong stated that if someone is not worth killing, it is also meaningless to let them live, reinforcing Grimmjow’s stance that Ulquiorra should have killed Ichigo Kurosaki outright.
