Harleyna is an S-rarity hero from the “Guard of Order” faction, and she’s a Defense-type.
You can unlock her by buying the Warrior Battle Pass or through special offers when they’re available.
Rarity: 
Type: Defence 
Faction: Guard of Order 
Attack: 13,468
Defence: 16,631
Troop Size: 505
Skills
Hammer Havoc
“ Swings a massive hammer to smash enemies and deal area damage. (Damage: 1200–1241)”
Type: Active Skill
Upgrade Preview:
Star Level 1: Increases damage factor by an additional 150.
Star Level 2: Missile quantity +1.
Star Level 3: Increases damage factor by an additional 150.
Star Level 4: Missile quantity +2.
Star Level 5: Increases damage factor by an additional 300.
Choir of Collapse
“ The damage of normal attacks increases from 900 to 920.”
Type: Normal Attack
Upgrade Preview:
Star Level 1: Increases damage factor by an additional 90.
Star Level 2: Increases damage factor by an additional 90.
Star Level 3: Increases damage factor by an additional 90.
Star Level 4: Increases damage factor by an additional 90.
Star Level 5: Increases damage factor by an additional 210.
Tired of Winning
” Increases the health of Riders in troops led by this hero by 5% (up to 5.3%). “
Type: Global Effect
Upgrade Preview:
Star Level 1: Rider DMG +2%.
Star Level 2: Rider DMG +3%.
Star Level 3: Rider DMG +5%.
Star Level 4: Rider DMG +5%.
Star Level 5: Rider DMG +10%.
Endless Madness
“Using 5 Guard of Order heroes increases your troops’ HP by 10%.”
Type: Exclusive Talent