Blood Magic

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Blood Magic
Keystone Passive Skill
Blood Magic passive icon.png
  • Removes all mana
  • Spend Life instead of Mana for Skills
Lay open your veins, and draw power from your own spilled life.

Blood Magic is a keystone passive skill that allows the character to spend life instead of mana to use skills. It also sets maximum mana to zero.

Skills that reserve mana will reserve life instead. The cost of skills is calculated normally, so reduced mana cost or reduced mana reservation modifiers will reduce the amount of life used. It is not possible to commit suicide through Blood Magic.

Eldritch Battery will not give you back your mana, it will merely remove your energy shield. Mana regeneration will have no effect on a character with Blood Magic.


Blood Magic is located in the bottom left corner of the tree. Taking Blood Magic is required to reach the notable passive skill, Mortal Conviction.

Class Distance from start
Marauder 9
Duelist 12
Templar 15
Scion 15
Ranger 18
Witch 21
Shadow 24

Item modifiers

These unique items have the Blood Magic modifier, which provides the same effect as this keystone. Taking the keystone in addition to equipping one of these items will impart no additional benefit.

  • Malachai's SimulaMalachai's Simula
    Iron Mask
    Evasion: 41
    Energy Shield: 13
    Requires Level 17, 21 Dex, 21 Int(15 to 30)% increased Spell Damage
    +20 to Strength
    (20 to 30)% increased Lightning Damage
    10% to Lightning Resistance
    20% increased Mana Cost of Skills
    Blood Magic
    It was a sliver of Malachai's soul
    that animated the first Eternal Guardian.
  • The CovenantThe Covenant
    Spidersilk Robe
    Energy Shield: (288 to 330)Requires Level 49, 134 IntGems in this item are Supported by level 15 Added Chaos Damage
    +(20 to 30) to Intelligence
    20% reduced maximum Life
    (180 to 220)% increased Energy Shield
    Blood Magic
    "My Soul is your Strength
    My Price is your Blood"

Maps with the "...of Hemomancy" suffix treat all characters as if they have the Blood Magic keystone.

Prism GuardianPrism Guardian
Archon Kite Shield
Chance to Block: 22%
Armour: 162
Energy Shield: 48
Requires Level 68, 85 Str, 85 Int+12% to all Elemental Resistances+1 to Level of Aura Gems in this item
Gems in this item have Blood Magic
Gems in this item have 25% reduced Mana Reservation
+(20 to 30) to Dexterity
+25% to all Elemental Resistances
When blood is paid, the weak think twice.
grants Blood Magic to skill gems socketed in it, allowing the character to spend life instead of mana on those skills. However, it does not reduce maximum mana to zero, like the Blood Magic keystone.