Class progression
Fighter
High-damage melee strikes.
Kill-earned skills
Combat Lv1 · 0 kills
Champion · choose a class with a gold upgrade
Combat Lv2 · 20 total hero kills · +1 point
Combat Lv3 · 60 total hero kills · +1 point
Combat Lv4 · 140 total hero kills · +1 point
CORE CHOICES · choose any order
Tempered blade
+15% sword damage
1 earned point · Available from combat Lv2
Battle rhythm
+8% attack speed
1 earned point · Available from combat Lv2
Sword mastery
+0.35 melee range
1 earned point · Available from combat Lv2
LATE-GAME CHOICES · Lv4 · wave 40
Whirlwind
Every 4th attack hits up to 3 nearby foes for 35% damage · 1.2 tiles
1 earned point · Requires two learned skills
Blade flurry
+8% hero attack speed
1 earned point · Requires two learned skills
War captain
Nearby towers: +5% damage and speed · 2 tiles
1 earned point · Requires two learned skills
Maximum 3 skills. Mix core choices or save your final point for an area attack, speed or support skill. Extra kills grant no additional levels or bonuses.
Gold upgrades & boss spells
Gold Lv2 selects your class. Lv3–4 improve its stats. Lv5–7 become available at wave 49. Endless Lv8–10 unlock at wave 101.
Gold Lv5 · Smite
Strikes the boss for 5% of its maximum health in Normal (7% in Hard / 1v1) · 36s cooldown
Gold Lv6 · Curse
Boss takes 50% more damage from everything for 6s · 42s cooldown
Gold Lv7 · Stun
Freezes the boss for 2.5s · 45s cooldown
Gold Lv8 · Ascendant · 1500g
1.8× level-seven attack damage · increased range. Boss spells and skill cap unchanged.
Gold Lv9 · Celestial · 3000g
2.8× level-seven attack damage · increased range. Boss spells and skill cap unchanged.
Gold Lv10 · Eternal · 6000g
4× level-seven attack damage · increased range. Boss spells and skill cap unchanged.