Bandit Bandit’s Nest:

Achievements Reward Detail tab
A RobberyA Robbery 40 Complete “Bandit Nest” in less than 12 hours
The HeistThe Heist 100 Granite x 150 Complete “Bandit Nest” in less than 3 hours
UntouchableUntouchable 70 Complete “Bandit Nest” while losing less than 500 recruits
The MarchThe March 70 Win “Bandit Nest” without using any cavalry

Achievements x 280 + Granite x 150