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Halo Wars 2

Anders.

Learn about Halo Wars 2 Citadels, including costs, upgrades, and units like the Scarab tank. Details on Warehouses, Temples, and Regret's leader powers.

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Learn about Halo Wars 2 Citadels, including costs, upgrades, and units like the Scarab tank. Details on Warehouses, Temples, and Regret's leader powers.

Walkthrough
  1. 1
    Build a Citadel using 500 supplies and 1 base site. This provides 3 building stations.
  2. 2
    Upgrade the Citadel to Level 1 for 300 Supplies to gain 2 more building stations.
  3. 3
    Upgrade the Citadel to Level 2 for 400 Supplies to gain an additional 2 building stations, for a total of 7. The Citadel also provides 4 turret pads.

Units available from the Citadel:

  • Scarab tank: Costs 3000 supplies, 20 population, and requires level 3 technology.
  • Elite Honor Guard: Costs 125 supplies, 1 population, and requires level 1 technology. Available only when Regret is leader.
  • Brute: Costs 125 supplies, 1 population, and requires level 1 technology.
  • Suicide Grunts: Costs 160 supplies, 1 population, and requires level 1 technology.

Upgrades available from the Citadel:

  • Elite Honor Guard Upgrades:
    • Upgrade Level 1 - Cloak: Costs 250 supplies and requires level 2 technology. Grants cloaking ability to Elites.
    • Upgrade Level 2 - Personal Shield: No cost or requirements listed.
  • Brute Upgrades:
    • Upgrade Level 1 - Jump pack: Grants the ability to jump across impassable terrain.
    • Upgrade Level 2 - Electric shot: Allows Brutes to stun enemies.
  • Suicide Grunt Upgrades:
    • Upgrade Level 1 - Zeal: Increases speed in suicide mode.
    • Upgrade Level 2 - Defile: Adds an exploding methane tank for extra damage.

Other Base Options:

  • Lock the base: Prevents units from leaving the base until unlocked. Useful for massing forces.
  • Unlock the base: Releases all garrisoned troops.
  • Set Spawn point: Designates a gathering point for forces at that base, overridden by the global gathering point.
Tips
  • Citadels are essential for spawning all units, including infantry, tanks, and ships.
  • Ensure you have a Citadel built early in the game.

Turrets:

Turrets can be built for 250 supplies and 1 turret pad.

  • Upgrade A - Plasma turret: Increases damage vs. Infantry.
  • Upgrade B - Rail Gun: Increases damage vs. Vehicles.
  • Upgrade C - Missile Pods: Increases damage vs. Aerial units.
Tips
  • The four turrets around each base can significantly impact defense and offense.
  • Turrets can be further upgraded at the Temple for increased damage and health.

Warehouse:

Warehouses provide a steady stream of supplies.

  • Base Cost: 100 supplies and 1 building pad (or 225 supplies if playing as Sgt. Forge in skirmish, which upgrades directly to heavy).
  • Gain: +10 supplies every 2 seconds.
  • Upgrade Level 1 - Blessed Warehouse: Costs 225 Supplies and doubles the supplies provided.

Other Warehouse Options:

  • Send Supplies: In skirmish and co-op, you can send supplies to allies by left-clicking their Warehouse.
Tips
  • Warehouses are critical for maintaining a steady supply income.
  • Do not rely solely on scattered supplies around the map.

Temple:

The Temple provides technology levels and Leader unit upgrades.

  • Base Cost: 500 supplies and 1 building pad.
  • Gain: 1 technology level, 1 Temple, and 1 Leader unit.

Technology Upgrades:

  • Shield of the Forerunners: Costs 500 supplies and requires level 2 technology. Strengthens and speeds up shield recharge for all units.
  • Followers: Costs 800 supplies and requires level 3 technology. Increases total population to 50 Covenant soldiers.
  • Medium turret upgrade: Costs 500 supplies and requires level 1 technology. Upgrades turret damage and range.
  • Large Turret Upgrade: Costs 800 supplies and requires level 2 technology. Maximizes turret damage and range.
  • Age of Doubt: Costs 1000 Supplies. Grants 1 technology level. This or taking a reactor on the field is the only way to increase technology for the Covenant.
  • Age of Reclaimation: Costs 2000 Supplies and requires Age of Doubt. Grants 1 additional technology level, for a total of 3.

Leader Upgrades (The Prophet of Regret):

Leader Power: Cleansing Beam

  • Upgrade Level 1: Regret's Sentence. Costs 300 supplies and requires level 1 technology. Summons a medium strength beam that does more damage.
  • Upgrade Level 2: Regret's Doom. Costs 500 supplies and requires level 2 technology. Summons a larger beam that does more damage.
  • Upgrade Level 3: Regret's Condemnation. Costs 700 supplies and requires level 3 technology. Further increases the damage of the beam.

Combat Upgrades:

  • Upgrade Level 1: Blessed Immolation. Costs 400 supplies and requires level 1 technology. Upgrades the defensive pod to a fuel rod cannon.
  • Upgrade Level 2: Ancestral Perversion. Costs 600 supplies and requires level 2 technology. Adds a secondary defensive turret to Regret.
  • Upgrade Level 3: Devine Absolution. Costs 900 supplies and requires level 3 technology. No specific gain listed.

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