Rebellion

Rebellion is an artifact.

Overview
Rebellion's exact nature is unknown.

Spoil Arc
The location of Rebellion was offered as a reward for the successful capture of the UMA Past.

Unrepair Arc
After Juiz, Nico Vorgeil and Phil successfully captured UMA Past, Apocalypse rewarded the Union by pointing out the location of Rebellion as being in Egypt.

Trivia

 * Rebellion's name may be a reference to Dante's sword named Rebellion from the Devil May Cry series.