Blood Magic

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For the support gem previously named Blood Magic Support, see Arrogance Support. For the other support gem with related effects, see Lifetap Support.
Blood Magic
Keystone
Removes all mana
10% more maximum Life
Skills Cost Life instead of Mana
Skills Reserve Life instead of Mana [1]
Lay open your veins, and draw power from your own spilled life.

Blood Magic (often referred to as BM) is a keystone passive skill that converts all mana cost and reservation to use life instead. It also gives you more maximum life and removes your mana.

Mechanics

Skills that reserve mana will reserve life and skills that cost mana will cost life instead. Mods that affect mana cost and mana reservation such as X% increased/reduced Mana Cost of Skills, + X to Total Mana Cost of Skills and X% increased/reduced Mana Reservation Efficiency of Skills have no effect on the life cost and life reservation of skills. It is not possible to commit suicide through Blood Magic.

If taken with Eldritch Battery, your energy shield will continue to protect mana but will not be spent.

While you have Blood Magic, you are neither at full mana nor low mana.[1]

Taking this keystone along with Sanguimancy from Warlock of the Mists will provide the 50% increased Life Reservation Efficiency of Skills stat, but otherwise impart no additional benefit.

Location

Blood Magic is located in the bottom left corner of the tree.

Class Distance from start
Marauder 12
Duelist 12
Templar 14
Scion 16
Ranger 19
Witch 21
Shadow 26

Related unique items

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.

ItemBase ItemRequired levelStats
Skin of the LordsSkin of the Lords
Simple Robe
Movement Speed: -3%Item has no level requirement and Energy Shield (Hidden)
Sockets cannot be modified
+2 to Level of Socketed Gems
100% increased Global Defences
You can only Socket Corrupted Gems in this item
Item has 6 Sockets and is fully linked (Hidden)
<Random Keystone>
CorruptedThe Lords are chosen so carefully.
Only they may grace His flesh.
Simple Robe1Item has no level requirement and Energy Shield (Hidden)
Sockets cannot be modified
+2 to Level of Socketed Gems
100% increased Global Defences
You can only Socket Corrupted Gems in this item
Item has 6 Sockets and is fully linked (Hidden)
<Random Keystone>
Acrobatics
Ancestral Bond
Arrow Dancing
Avatar of Fire
Blood Magic
Call to Arms
Conduit
Crimson Dance
Divine Shield
Hex Master
Eldritch Battery
Elemental Equilibrium
Elemental Overload
Eternal Youth
Ghost Dance
Ghost Reaver
Glancing Blows
Iron Grip
Iron Reflexes
Iron Will
Lethe Shade
Magebane
Mind Over Matter
Minion Instability
Pain Attunement
Perfect Agony
Point Blank
Precise Technique
Resolute Technique
Runebinder
Imbalanced Guard
Solipsism
Supreme Ego
The Agnostic
The Impaler
Unwavering Stance
Vaal Pact
Versatile Combatant
Wicked Ward
Wind Dancer
Zealot's Oath
Corrupted
Malachai's SimulaMalachai's Simula
Iron Mask
Evasion: (48-60)
Energy Shield: (11-14)
Requires Level 17, 21 Dex, 21 Int+20 to Strength
+(20-30)% to Lightning Resistance
Spells have a 20% chance to deal Double Damage
Blood Magic
It was a sliver of Malachai's soul
that animated the first Eternal Guardian.
Iron Mask17+20 to Strength
+(20-30)% to Lightning Resistance
Spells have a 20% chance to deal Double Damage
Blood Magic
Replica Tukohama's FortressReplica Tukohama's Fortress
Ebony Tower Shield
Chance to Block: 25%
Armour: (357-411)
Movement Speed: -3%
Requires Level 61, 159 Str+(20-30) to maximum Life+(80-100) to maximum Life
You can Cast an additional Brand
20% increased Critical Strike Chance per Brand
40% increased Brand Damage
Blood Magic
"As one of our few creations that did not cost any fatalities,
Prototype #10 bore unexpectedly positive results."
Ebony Tower Shield61+(20-30) to maximum Life+(80-100) to maximum Life
You can Cast an additional Brand
20% increased Critical Strike Chance per Brand
40% increased Brand Damage
Blood Magic
Tukohama's FortressTukohama's Fortress
Ebony Tower Shield
Chance to Block: 25%
Armour: (357-411)
Movement Speed: -3%
Requires Level 61, 159 Str+(20-30) to maximum Life40% increased Totem Damage
+(80-100) to maximum Life
+1 to maximum number of Summoned Totems
+300 Armour per Summoned Totem
Blood Magic
Tukohama knew that he could not lose a fight in his fortress.
So he carried his fortress to the fight.
Ebony Tower Shield61+(20-30) to maximum Life40% increased Totem Damage
+(80-100) to maximum Life
+1 to maximum number of Summoned Totems
+300 Armour per Summoned Totem
Blood Magic

Version history

Version Changes
3.17.0
  • Now grants 10% more maximum Life.
  • No longer grants Spend Life instead of Mana for effects of Skills.
3.14.0
  • The mod Socketed gems have Blood Magic has been removed from the game and replaced by Socketed Gems Cost and Reserve Life instead of Mana, or Socketed Gems Reserve Life instead of Mana, or Socketed Gems Cost Life instead of Mana, affects all version. [Undocumented This change was not documented by any official sources. It was discovered through player testing or datamining.]
2.1.1
  • Fixed a bug where you could not get stunned while wearing the SkyforthSkyforth
    Sorcerer Boots
    Energy Shield: (51-59)Requires Level 67, 123 Int+(60-120) to maximum Mana
    30% increased Movement Speed
    25% chance to gain a Power Charge on Critical Strike
    12% increased Reservation Efficiency of Skills
    You have no Life Regeneration
    Stun Threshold is based on 500% of your Mana instead of Life
    The quick die young, the brilliant go mad,
    and the powerful stand alone in a wasteland of their own creation.
    boots with the Blood Magic Keystone allocated.
1.3.0
  • When Blood Magic is active, your mana orb no longer shows as fully reserved.
1.0.0
  • Players now cannot spend or reserve their last point of life with Blood Magic.
0.9.12p
  • Fixed a bug where skills would appear disabled if you have Blood Magic.
0.9.12m
  • Fixed a bug where players who cast their auras and then return to town to select the Blood Magic keystone passive will have free auras until they log out.
0.9.11
  • Totems with Blood Magic (from either a Support Gem or the player's passives) now do not spend their own life to cast spells.
0.9.10
  • Totems using percentage reserve skills with blood magic now correctly base the cost as a percentage of their life rather than yours.
0.9.9c
  • Blood Magic now no longer prevents traps from working.
0.9.7d
  • Fixed the interaction between Chaos Inoculation and Blood Magic so that there's no crazy bugged death state any more. If you try to reserve life or mana when you have both of these keystones, you will now die properly.
0.9.4
  • Introduced to the game.

References

  1. Mark_GGG (November 15, 2013). "Infernal Mantle and Blood Magic". Official Path of Exile Forums. Retrieved May 25, 2021.