density aura can increase the weight and pressure on objects, causing them to crush or compress from a distance, or practically harden his body to increase the power of his punches or give him superhuman density
There are two versions of Bishop in the Ultimate Universe, one from the current timeline and another that has returned to his own past from the future. The above information relates to the future version of Bishop.
The present Bishop was first seen on a computer screen in Ultimate X-Men #43, and first appeared in person in Ultimate X-Men #80, in prison. His current status is unknown, though there is nothing to dispute him still being in prison.