Warfare
Warfare is a combat skill. The Warrior's battle techniques.
Like every skill it climbs to level 99. XP Boosts (+30%) and the Captain's Subscription (+20%) stack, for +50% XP while both are running.
Abilities

Catch your breath: heal 30% of your health.
25 s
220% damage.
10 s
+30% damage for 10 s, +10% crit chance for 10 s.
30 s
Plant a war banner for 12 s: allies near it heal and gain +25% defence.
35 s
Leap to the target, 140% damage, stuns.
16 s
240% damage to up to 4 enemies around the target (5 m), stuns.
16 s · 5 m area
+50% defence for 6 s, shield of 15% health.
30 s
Rally up to 4 allies: heals 10% and gives +20% damage and +20% defence for 12 s.
30 s · 12 m area
2 waves of 160% damage to up to 4 enemies around you (6 m), bleeds for 8 s.
18 s · 6 m area12 s as the Avatar of War: invulnerable, and spikes tear up to 12 enemies each second (100% + heavy bleeding).
0 s
Turn blood-red for 8 s: you take no damage, spikes burst from your armour every second (60% + bleeding) and your health, mana and defence surge.
0 s
10 s of untouchable red fury: armour spikes hit up to 9 enemies every second (80% + bleeding).
0 s
Elite: spin through everything around you, three times.
40 s · 5 m area