Rune sets
Each set has six runes. Equipping more pieces of one set unlocks its bonuses at 2, 4 and 6.
Warrior
Strong Shield of the Atheron
2 pieces: +10% Critical Hit Chance.
4 pieces: Critical Hit heals 5% of Max Health.
6 pieces: Rage Shield provides an additional 20% Critical Hit Chance and 50% Critical Hit Damage.
Eye of the Storm
2 pieces: +50% Physical Damage.
4 pieces: Whirlwind strikes and spins 25% faster and lasts 3 seconds longer.
6 pieces: While channeling Whirlwind, all Special abilities can be cast in addition to Warcry abilities.
Weight of the Mountain
2 pieces: +100% Special Ability Damage.
4 pieces: Each Basic Attack cast reduces Earthstrike's cooldown by 0.8 seconds.
6 pieces: When a Stun you inflicted ends, the enemy is left Fractured for 8 seconds, taking +250% Critical Hit Damage from you.
Harvest Moon
2 pieces: +50% Strong Attack Damage.
4 pieces: Each enemy struck by Half Moon Slash grants a stack of Crescent Momentum for 3 seconds, up to 20 stacks. Each stack grants +1 Mana Regeneration and +1% Critical Hit Chance.
6 pieces: Half Moon Slash's blades no longer fly past. They hunt the enemies around where you aimed for 3 seconds.
Sorcerer
Infernal Covenant
2 pieces: +65% Damage to Burning enemies.
4 pieces: Fire Elemental gains Pyroblast as an additional ability.
6 pieces: Fire Elemental gains Fire Meteor as an additional ability.
Frozen Barrage
2 pieces: +65% Damage to Slowed enemies.
4 pieces: +60% Attack Speed. Ice Shards also applies Chill.
6 pieces: Ice Shards fires 4 additional projectiles. Each projectile can pierce through 1 target.
Stormcaller
2 pieces: +50% Lightning Damage.
4 pieces: Each Lightning Storm strike deals splash damage.
6 pieces: Each Lightning Storm strike creates a Lightning Ball that pulses 3 times at 0.75-second intervals, each dealing 75% weapon damage as Lightning damage in a small radius.
Hunter
Trapper's Legacy
2 pieces: Direct damage from traps increased by 60%.
4 pieces: Enemies hit by your traps receive your Death Mark for 3.5 seconds, granting you +30% Critical Chance against them.
6 pieces: Traps can be retriggered 3 additional times.
Deadeye's Resolve
2 pieces: Physical damage increased by 50%.
4 pieces: While channeling Rapid Fire, gain 25% damage reduction.
6 pieces: Your deadeye focus sharpens. Rapid Fire shoots 30% faster, deals double damage, and its arrows now pierce up to 3 targets.
Venomfang
2 pieces: Damage against poisoned enemies increased by 70%.
4 pieces: Applying poison reduces the target's movement speed by 25% and attack speed by 20% for 5 seconds. Reapplying poison refreshes the slow.
6 pieces: Casting Poison Shot has a 50% chance to launch an arcing venom projectile that deals 420% weapon damage as Poison in a small area and applies 2 stacks of poison to all enemies hit.
Monk
Hundred Hands
2 pieces: +100% Basic Attack Damage.
4 pieces: Each stack of Furious Fist also grants +3% Physical Damage, up to +60% at 20 stacks.
6 pieces: Your Furious Fist has a 25% chance to unleash Golden Palms for free, without knockback. These Golden Palms inflict Dazed and deal 0.5% more damage per point of current Mana.
Wheel of Nine Heavens
2 pieces: +100% Special Ability Damage.
4 pieces: Sacred Orbs conjures one additional orb.
6 pieces: When a Sacred Orb's time runs out it no longer fades. It breaks orbit, streaks to the nearest enemy and bursts for 300% weapon damage as Lightning damage in a 3m radius.
Serpent's Tongue
2 pieces: +50% Strong Attack Damage.
4 pieces: Piercing Lunge costs half as much Mana.
6 pieces: Piercing Lunge's airflow pierces through enemies behind the target, inflicting Vulnerable. Each cast also reduces the remaining cooldown of a random Special ability by 1 second.