In Kingdom Hearts II, the Nobody Guard's main shape is that of a thick, grey ring lined by eight spikes that alternate in size from large to small. The face of the shield is comprised by a grey cross with a dark grey center. This shield is vaguely reminiscent of Axel's Eternal Flames.
Kingdom Hearts III
The Nobody Guard can be synthesized once 48 different synthesis materials are obtained.
The Nobody Guard+ can be synthesized once 52 different synthesis materials are obtained.