- Effect: Spellcasting consumes health instead of mana.
- Effect: Immune to conventional healing.
- Cost ratio: 1 health provides 2 mana (3 mana with Solidarity).
- Blood Magic enhancements on gear stack with the health-to-mana exchange of the skill as well.
- Damage caused by Blood Magic can be mitigated by the abilities Battle Synergy and Bodyguard (This is no longer possible as of patch 1.03).
- Even though this mode prevents healing by conventional means, faster health regeneration is still possible provided that Panacea and/or Healing Aura affects Merrill.
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