Stalwart Defenders

Defences: +1 barricade (this_army)
Defences: +1 set of fire balls (this_army)
Defences: +1 set of spike traps (this_army)
Defences: +1 set of sudes caltrops (this_army)

Defences: +2 barricades (this_army)
Defences: +2 sets of fire balls (this_army)
Defences: +2 sets of spike traps (this_army)
Defences: +2 sets of sudes caltrops (this_army)
+6% armour for all units (this_army)
+10% melee defence skill for all units (this_army)
+3% missile attack range for all units (this_army)

Defences: +3 barricades (this_army)
Defences: +3 sets of fire balls (this_army)
Defences: +3 sets of spike traps (this_army)
Defences: +3 sets of sudes caltrops (this_army)
+12% armour for all units (this_army)
+20% melee defence skill for all units (this_army)
+6% missile attack range for all units (this_army)