Peace...
and
War...
The Bastion rig is from @Juno
It was the war of the Omnic Crisis and the robots were pushing in the opponents farther back, and Bastion was the leader of the destructive machines, eliminating one by one, and after years, the Bastion went from murderous war machine into a peaceful robot that lived in harmony with nature. However, Bastion regretted his actions back in the war...