The story of a legend begins here, the rise of a mercenary during the early phase of the Lynx war. This is part one of the story of Armored Core 4 and Armored Core for answer.
Credits:
The rioting clip in this video come from the channel
https://www.youtube.com/c/KING5Seattle
Mech repair picture:
https://www.artstation.com/artwork/rRJeR6