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Not to be confused with Vectus.
Image of Vectis
Race Blood elemental (Elemental)
Level ?? Boss
Reaction Alliance Horde
Location Uldir
Status Killable

Vectis is a boss in Uldir.

Adventure Guide

The plague of corrupted blood killed countless trolls and began one of the most terrifying periods in Zandalar's history. The constructs within Uldir studied the disease in search of a cure, but found that only isolation and extermination was effecive. Unfortunately, as the facility's safeguards cracked apart, the plague was accidentally combined with a sample of G'huun's blood, creating a new entity that hungered for fresh victims.


Overview of tactics for the Vectis fight.

Vectis creates instances of Omega Vector which bounce endlessly between players during the encounter. When Omega Vector jumps between players it leaves behind a stack of Lingering Infection, which has no duration and cannot be removed. Vectis will create multiple instances of Omega Vector at the beginning of the encounter.

Damage Dealer Alert Damage Dealers

  • Kill Plague Amalgams quickly to prevent excessive healing absorption from Immunosuppression.
  • Areas targeted by Plague Bomb that detonate without players inside them will spawn an additional Plague Amalgam.
  • Avoid the area damage from targets affected by Gestate.
  • Communicate with your allies to control hosts for Omega Vector.

Healer Alert Healers

  • Targets afflicted by Omega Vector and Gestate will require heavy healing to survive.
  • Communicate with your allies to control hosts for Omega Vector.
  • Areas targeted by Plague Bomb that detonate without players inside them will spawn an additional Plague Amalgam.

Tank Alert Tanks

  • Avoid taking Omega Vector from your allies, as Lingering Infection will increase damage taken from Evolving Affliction.


  • Spell shadow corpseexplode.png  Omega Vector Important — Omega Vector takes root in a player, inflicting X Shadow damage every 2 sec for 10 sec. On expiration, Omega Vector jumps to the closest player and applies a stack of Lingering Infection to its former host. 
  • Ability deathwing bloodcorruption earth.png  Lingering Infection — Weakens the player's resistance to future infections, increasing Nature damage taken by 3%. 
    • Ability creature disease 03.png  Bursting Lesions Mythic Difficulty — Players with 6 stacks of Lingering Infection will gain Bursting Lesions whenever they are struck by Contagion. Bursting Lesions inflicts X Nature damage and applies a stack of Lingering Infection to nearby players within 5 yards every 1 sec for 3 sec. 
    • Ability hunter pet worm.png  Spawn Parasite Mythic Difficulty — Players with 12 stacks of Lingering Infection will spawn an Engorged Parasite whenever they are struck by Contagion. Engorged Parasites will cast Parasitic Discharge when they reach full energy. 
      • Engorged Parasite Mythic Difficulty — Add that casts Caustic Bile and Parasitic Discharge 
        • Ability creature poison 02.png  Caustic Bile Mythic Difficulty — Inflicts X Nature damage to a random enemy. 
        • Spell shadow creepingplague.png  Parasitic Discharge Mythic Difficulty — Inflicts X Shadow damage and applies a stack of Lingering Infection to all players. 
    • Ability deathknight deathscaress.png  Terminal Eruption Mythic Difficulty — Players with 25 stacks of Lingering Infection will suffer a Terminal Eruption whenever they are struck by Contagion. Terminal Eruption inflicts Nature damage to all players and Nature damage to the initially affected player. 

Stage One: Probing its Hosts

  • Ability ironmaidens whirlofblood.png  Evolving Affliction Tank Alert — Inflicts X Nature damage every 2 sec for 12 sec. 
  • Ability creature cursed 04.png  Contagion Deadly — Inflicts X Nature damage to all players. 
  • Spell shadow abominationexplosion.png  Gestate — Inflicts X Shadow damage every 2 sec to a random player and all players within 5 yards for 5 sec. Stuns the initial target while a Plague Amalgam gestates within the player. On expiration, the Plague Amalgam will spawn 5 yards from that player. 
    • Plague Amalgam — Add that casts Immunosuppression 
      • Ability creature cursed 05.png  Immunosuppression Healer Alert — Spreads a toxin that absorbs X healing done to all players within 500 yards. 

Stage Two

  • Inv misc boilingblood.png  Liquefy — Transforms into a pool of toxic blood, triggering Lingering Infection on players who come into contact with the pool. 
    • Inv artifact bloodoftheassassinated.png  Blood Geyser — A geyser of corrupted blood inflicts X Shadow damage and applies Lingering Infection to all players struck by the geyser. 
  • Artifactability blooddeathknight umbilicuseternus.png  Plague Bomb — Vectis launches a plague bomb, erupting after 8 sec. This eruption inflicts X Shadow damage instantly and X Shadow damage every 5 sec for 8 sec to all players within 6 yards. If no players are hit by the eruption, the bomb grows into a Plague Amalgam. 


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Item Type
 [Bow of Virulent Infection] (LFR · H · M) Bow
 [Vector Deflector] (LFR · H · M) Shield
 [Hood of Pestilent Ichor] (LFR · H · M) Azerite leather helmet
 [Plasma-Spattered Greatcloak] (LFR · H · M) Cloak
 [Chestguard of Virulent Mutagens] (LFR · H · M) Azerite plate chest
 [Wristwraps of Coursing Miasma] (LFR · H · M) Leather bracers
 [Mutagenic Protofluid Handwraps] (LFR · H · M) Cloth gauntlets
 [Cord of Animated Contagion] (LFR · H · M) Cloth belt
Blighted Anima Greaves (LFR · H · M) Mail leggings
Inoculating Extract (LFR · H · M) Intellect trinket
Syringe of Bloodborne Infirmity (LFR · H · M) Strength trinket

Related achievements


MOTHER yells: Now entering the viral ecology wing.
MOTHER yells: This laboratory contains thousands of the most dangerous viral strains in the known cosmos, alphabetically sorted for ease of access.
MOTHER yells: Alert. Viral containment breached. Contaminated specimen approaching. Risk of infection imminent.
  • Fresh hosts!
  • Consume husks!
Omega Vector
Pestilence spreads!
Violent gestation!
Blood contagion!
Outbreak inevitable...
A scene plays.
MOTHER yells: Reorigination drive restored. Vault access granted.


  • In the earliest alpha builds, Vectis was called Blood of G'huun.[1]
  • In an earlier beta build, Vectis' adventure guide entry read: "A sample of G'huun's blood, animated and run amok. Considered by the Titans to be an infection capable of killing every living thing on Azeroth, its primary disease strain was dubbed the Omega Vector."
  • Vectis is referred to as a Blood Elemental in the sound files.[2]

Patch changes


  1. ^ WarcraftDevs on Twitter (2018-05-01). Retrieved on 2018-05-04.​ “Vectis is the boss formerly known as “Blood of G’huun”. Other references will be updated in a future build of the Battle for Azeroth Beta.
  2. ^ Wowhead - MON_BloodElemental_Ghuun_Attack

External links