The mutiny chances depend on race. Mutiny follows a curve where a higher mod means a lower chance of mutiny.
Your troops were utterly disgusted with your actions and rebelled against your corrupt rule! Your loyal troops have quelled this uprising with the following total casualties:
Fighters: 809
Rangers: 221
Clerics: 368
Mages: 221
Archers: 258
Thieves: 15
Assassins: 74
Weapons: 0
Armor: 0
Warmachines: 15
Laborers: 27