Level 1
+6% shots per minute rate for all chariot units
+10% morale for all units during battles in own or allied territory
Level 2
-10% upkeep for all land units
+12% shots per minute rate for all chariot units
+20% morale for all units during battles in own or allied territory
Level 3
-20% upkeep for all land units
+18% shots per minute rate for all chariot units
+30% morale for all units during battles in own or allied territory