 Invoke Red Familiar | Summon | summons 1x Red Fairy |
 Ironclad Ward | Single-target buff | +20 + 3 × (rank − 1) AC, 5m |
 Ironfist Strike | Single-target damage | attack power + 1 500 physical dmg, 90% stun (1.5s) |
 Javelin Throw | Single-target projectile | attack power + 5 physical dmg |
 Khasz Attack | Single-target damage | spell power + 100 poison dmg, 0.9% stun (1s) |
 Kick | Single-target damage | attack power + 10 physical dmg, 90% stun (2s) |
 King of Harpies | Single-target buff | +50% crit, +25% accuracy, 8s |
 Knockback | Single-target damage | attack power + 5 physical dmg, 75% knockback 1.5 yd |
 Lament of Slowness | Area debuff | Bard song (0.1% stronger per CHA), −4% × rank haste, 15s |
 Last Hope | Single-target projectile | (attack power + 150% of DEX − main-hand base dmg + 1) × (200% + 25% × (rank − 1)) physical dmg |
 Leadership | Area buff | buffs your mercenaries at any distance, +30 × rank attack power (+50% of WIS + CON + CHA), +1% × rank attack power, +30 × rank spell power (+50% of WIS + CON + CHA), +1% × rank spell power, +1.5% × rank crit, +1.5% × rank accuracy, 30s |
 Lethargy | Single-target debuff | −5% − 0.5% × (rank − 1) haste, 1m |
 Lich Shroud | Single-target buff | +20% + 5% × (rank − 1) lifetap healing, +6% + 1% × (rank − 1) spell casting haste, 30s |
 Lifetap | Single-target damage | spell power + 900 magic dmg, 100% lifetap |
 Light of the Heavens | Area heal | heals itself & every companion & mercenary within 16 yd, not players, 1 000 + 300 × (rank − 1) hp (0.4% more per mercenary WIS) |
 Lightning Bolt | Single-target projectile | 2 000 + 300 × (rank − 1) magic dmg, 10% + 2% × (rank − 1) stun (1s) |
 Lingering Melody | Passive | +4% song duration per rank |
 Lizard Area Attack | Area damage | spell power + 300 magic dmg, 10% stun (1s) |
 Lizard Attack | Single-target damage | attack power + 100 physical dmg |
 Lizardman Attack | Single-target damage | attack power + 20 physical dmg, 0.9% stun (1s) |
