Role & Function

Tier 2 upgrade unlocking advanced Undead structures.

Ladder Tip

Upgrade as soon as possible — Crypt Fiend and Lich access define Undead's Tier 2 power. Delaying this upgrade lets opponents stabilise before your timing window hits.

Trains & Upgrades

• ⬆Unlocks Crypt Fiends
• ⬆Unlocks Gargoyles
• ⬆Unlocks Temple of the Damned
• ⬆Unlocks Slaughterhouse
• Upgrades to Black Citadel