Medivh's level 7 talent, 'Force of Magic', adds an additional effect to his 'Force of Will' ability, granting him 25% increased Spell Power for 15 seconds if it prevents a certain amount of damage, stacking up to 50%.Li-Ming's level 20 talent, 'Tal Rasha's Elements', grants her 5% increased Spell Power for every Ability used until the use of the same Ability, stacking up to 20%.Li-Ming's level 13 talent, 'Glass Cannon', permanently grants her 15% increased Spell Power, but reduces her maximum Health.Li-Ming's level 1 talent, 'Power Hungry', makes Regeneration Globes increase her Spell Power by 10% for 20 seconds.Li Li's level 13 talent, 'Surging Winds', adds an additional effect to her 'Blinding Winds' ability, granting her 10% increased Spell Power for 10 seconds if the ability hits at least 2 Heroes.Kerrigan's level 16 talent, 'Unbridled Energy', grants her 35% increased Spell Power for 4 seconds when she damages an enemy hero with a Heroic Ability.Kerrigan's level 16 talent, 'Mounting Potency', adds an additional effect to her 'Ravage' ability, granting her 5% Spell Power when she casts it, stacking up to 40% for 5 seconds.Kel'Thuzad's level 16 talent, 'Power of Icecrown', grants him 6% increased Spell Power for 10 seconds for every enemy Hero he stuns, slows or roots, stacking up to 30%.

Kel'Thuzad's trait, 'Master of the Cold Dark', grants him 75% increased Spell Power after he completes the quest.

Kael'thas's level 7 talent, 'Sunfire Enchantment', adds an additional effect to his 'Verdant Spheres' ability, granting him 15% increased Spell Power for 10 seconds if his next 2 basic attacks hit heroes.

Kael'thas's level 1 talent, 'Fel Infusion', permanently grants him 4% increased Spell Power.

Jaina's level 4 talent, 'Arcane Intelligence', grants her 10% Spell Power while above 75% maximum Mana.

Hanzo's level 7 talent, 'The Dragon Hungers', adds an additional effect to his 'Storm Bow' ability, granting him 5% increased Spell Power for 10 seconds for every Hero hit, stacking up to 20%.

Gul'dan's level 16 talent, 'The Darkness Within', adds an additional effect to his 'Life Tap' trait, granting him 25% increased Spell Power for 5 seconds after dealing enough damage to Heroes and using Life Tap.

Gul'dan's level 7 talent, 'Hunger for Power', permanently grants him 15% increased Spell Power, but reduces allied healing.

Gazlowe's level 13 talent 'Overcharged Capacitors' grant him 5% Spell Power for each active 'Rock-It! Turret', stacking up to 15%.

Diablo's level 13 talent 'Hellfire', grants him 3% Spell Power for each enemy Hero hit by Fire Stomp for 10 seconds, stacking up to 30%.

Deckard's level 1 talent 'Field Study', grants him 20% Spell Power for 14 seconds for each Hero hit by 'Scroll of Sealing', stacking up to 30%.

Chromie's level 14 talent, 'Quantum Overdrive', grants her 30% increased Spell Power for 8 seconds.

Chromie's level 14 talent, 'Shifting Sands', adds an additional effect to her 'Sand Blast' ability, granting her 5% increased Spell Power for 8 seconds for Hero hit, stacking up to 50%.

Chromie's level 1 talent, 'Timewalker's Pursuit', grants her 15% increased Spell Power.

Spell Power modification stacks additively with other sources of Spell Power, other offensive damage modifiers and healing dealt modifiers.Ībilities and Talents that affect self Spell Power Similarly, a Spell Power value less than 0% effectively decreases the damage dealt or healing provided by that percentage, meaning that an Ability that deals 100 damage would deal 60 damage with -40% Spell Power (100*(100%-40%) = 60).ĭamage modified by Spell Power is calculated the moment the target is hit, from scaled damage with added flat damage bonuses from Talents. For example, an Ability that deals 100 damage would deal 140 damage with 40% Spell Power (100*(100%+40%) = 140). Spell Power does not affect healing dealt by Lifesteal effects, though it can alter the Spell Damage lifesteal amount based on spell damage by altering this damage.Ī Spell Power value greater than 0% effectively increases the damage dealt or healing provided by the same percentage.

Shields are not affected by Spell Power, but healing done to Shields, through talents like Fenix's 'Rapid Recharge', is. Spell Power affects the damage of non-Heroic Summoned creatures ( Zagara Roaches, Azmodan Demons, etc.), based on the Hero’s Spell Power in real-time. Spell Power (also Ability power) modification increases or decreases the Spell Damage and Healing done by a Hero's Abilities.

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