Blood Bond

Cast Lesser Signet of Vampirism on your foe when you inflict bleeding on them that matches or exceeds the threshold. — In-game description

Blood Bond

Specialization

Blood Magic (trait list)

Tier

Adept

Type

Major

Training cost

3 Hero points

Game link

“

Blood Bond

Cast Lesser Signet of Vampirism on your foe when you inflict bleeding on them that matches or exceeds the threshold.

 Number of Bleeding Stacks: 4

— In-game description

Trait skill

Skill			Description
Lesser Signet of Vampirism		16	Signet Active: Mark a foe. Allied players will siphon life from that enemy.

Related skills

Weapon skills that are improved by this trait

•   Dark Pact — Dagger
•   Enfeebling Blood — Dagger
•   Rending Curse — Scepter
•   Putrid Curse — Scepter
•   Grasping Dead — Scepter
•   Mark of Blood — Staff
•   Dark Spear — Spear
•   Crimson Tide — Trident

Transform skills that are improved by this trait

•   Dark Path — Death Shroud
•   Life Transfer — Death Shroud
•   Deathly Claws — Lich Form

Utility skills that are improved by this trait

•   Blood Is Power — Corruption
•   Signet of Spite — Signet

Elite skills that are improved by this trait

•   Plaguelands — Corruption
•   Elixir of Ambition — Elixir

Trait skills that are improved by this trait

•   Lesser Mark of Blood — Mark of Evasion
•   Weakening Shroud — Weakening Shroud

Related traits

Traits that are improved by this trait

Curses

• Barbed Precision — Critical hits have a chance to cause bleeding. Increases bleed duration.
• Master of Corruption — Corruptions gain reduced recharge time and inflict additional conditions on you.

Reaper

• Deathly Chill — Chill deals damage over time.

Notes

• For more information about Life Siphoning, refer to Life Steal.
• Minions may trigger this trait.

Version history

For a detailed trait history, see here.

Patch	Changes
January 13, 2026	Spiteful Renewal: This trait has been moved to the blood magic specialization and renamed Blood Renewal, replacing Blood Bond.
May 11, 2021	Reduced internal cooldown from 20 seconds to 16 seconds.
October 01, 2019	Fixed a bug that caused this trait to heal the necromancer when it activated.
September 29, 2015	Fixed a bug that caused this trait to have an incorrect internal cooldown. Fixed a bug that prevented the actual healing values from matching those listed in the skill facts. This trait will no longer attempt to activate Lesser Signet of Vampirism if the player is either out of range or does not have a line of sight to the target.
June 23, 2015	Specialization update: Blood Bond has been added to the game.