Vault Hardening
How to get it
Stack laser doors, turrets, and Legendary guards on the vault corridor.
- Map the shortest path from map edge to your vault.
- Fill that path with walls → laser → turret → Legendary.
- Keep a partner near the vault during Double Cash / KotH chaos.
- Rebuild immediately after a successful enemy crack.
Shared route notes for every defense piece live on the defense hub — steps above cover this item’s unique path.
Overview
End-state defense for the cash you already earned. Upper-floor AFK farm only works if the vault corridor holds while you are upstairs.
Where it shows up
Covered in: 2 Player Raid Tycoon defense / base
Still unknown
- Vault HP / crack interrupt rules.
- Shared vault vs per-partner vault.