Unofficial fan reference · game data patch 9.0 (Sep 24, 2026)

Undead Legions rituals

10 rituals · Undead Legions roster · patch 9.0

Nagash Land Of The Dead

Ritual of Undeath

No cost listed

  • Climate of each Region within the Province is converted to Undead Wasteland
  • Multiple buildings unlock powerful bonus effects
  • The cost of the Ritual of Undeath increases each time it is cast, but can be reduced by Vampiric Corruption.
  • Additional bonuses for each cast can be unlocked within the Black Pyramid

Nagash Mortarchs

Arkhan the Black

2,500 Gold

  • Subjugation cost for other Mortarchs: +35%
  • Empower 5 Sigils within the Black Pyramid
  • Legendary Lord Subjugated: Arkhan the Black
  • Regions owned by this Lord are converted to Burial Chambers, Ports are converted to Pirate Coves
  • Unlocks access to all Tomb King Regiments of Renown once one of your Lords reaches the required rank

Dieter Helsnicht

2,500 Gold

  • Subjugation cost for other Mortarchs: +35%
  • Empower 5 Sigils within the Black Pyramid
  • Legendary Hero Subjugated: Dieter Helsnicht

Krell

2,500 Gold

  • Subjugation cost for other Mortarchs: +35%
  • Empower 5 Sigils within the Black Pyramid
  • Legendary Hero Subjugated: Krell

Luthor Harkon

2,500 Gold

  • Subjugation cost for other Mortarchs: +35%
  • Empower 5 Sigils within the Black Pyramid
  • Legendary Lord Subjugated: Luthor Harkon
  • Has access to Ship Buildings within Luthor Harkon's army
  • Regions owned by this Lord are converted to Mausoleums, Ports are converted to Pirate Coves
  • Unlocks access to all Vampire Coast Regiments of Renown once one of your Lords reaches the required rank

Mannfred von Carstein

2,500 Gold

  • Subjugation cost for other Mortarchs: +35%
  • Empower 5 Sigils within the Black Pyramid
  • Legendary Lord Subjugated: Mannfred von Carstein
  • Regions owned by this Lord are converted to Mausoleums, Ports are converted to Pirate Coves
  • Unlocks access to all Vampire Count Regiments of Renown once one of your Lords reaches the required rank

Neferata

2,500 Gold

  • Subjugation cost for other Mortarchs: +35%
  • Empower 5 Sigils within the Black Pyramid
  • Recruitment Unlock: Lahmian Handmaidens
  • Unlocks construction of the building chain, enabling the recruitment of Lahmian Units and Heroes
  • Legendary Lord Subjugated: Neferata
  • Regions owned by this Lord are converted to Mausoleums, Ports are converted to Pirate Coves

The Nameless

2,500 Gold

  • Subjugation cost for other Mortarchs: +35%
  • Empower 5 Sigils within the Black Pyramid
  • Legendary Follower Subjugated: The Nameless
  • When The Nameless is equipped, unlocks the ability to posses enemy units before battle

Vlad von Carstein

2,500 Gold

  • Subjugation cost for other Mortarchs: +35%
  • Empower 5 Sigils within the Black Pyramid
  • Legendary Hero Isabella von Carstein will join your faction
  • Regions owned by this Lord are converted to Mausoleums, Ports are converted to Pirate Coves
  • Legendary Lord Subjugated: Vlad von Carstein

Walach Harkon

2,500 Gold

  • Subjugation cost for other Mortarchs: +35%
  • Empower 5 Sigils within the Black Pyramid
  • Recruitment Unlock: Blood Knights
  • Unlocks construction of the building chain, enabling the recruitment of Blood Knights
  • Legendary Hero Subjugated: Walach Harkon

Source: rituals, ritual_categories, resource_costs, ritual_payload_effect_bundles and effect bundles, patch 9.0, via the WH3-Dump export. Group names the game leaves blank are named after the category key (e.g. GREAT_GAME → “Great Game”). Rituals that only run a script show no effects here.