Foundation
The Foundation is an upgradeable foundation building piece with five tiers. Stone tier provides 500 HP, armored tier up to 2,000 HP. Raid costs and upgrade requirements are listed below.
HP Per Tier
10
Twig
250
Wood
500
Stone
1,000
Metal
2,000
Armored
Upgrade Costs
Wood
Wood×300
Stone
Stone×300
Metal
Metal Fragments×150
Armored
High Quality Metal×25
Upkeep (per day)
Wood
Wood×8
Stone
Stone×6
Metal
Metal Fragments×8
Armored
High Quality Metal×1
Raid Costs
Sorted by sulfur efficiency. Use the Raid Calculator for multi-target planning.
Wood Foundation
| Method | Qty | Sulfur |
|---|---|---|
| cheapestF1 Grenade | ×5 | 300 |
| Satchel Charge | ×1 | 480 |
| Beancan Grenade | ×17 | 2,040 |
| Timed Explosive (C4) | ×1 | 2,200 |
| Rocket | ×2 | 2,800 |
Stone Foundation
| Method | Qty | Sulfur |
|---|---|---|
| cheapestTimed Explosive (C4) | ×2 | 4,400 |
| Rocket | ×4 | 5,600 |
Metal Foundation
| Method | Qty | Sulfur |
|---|---|---|
| cheapestTimed Explosive (C4) | ×4 | 8,800 |
| Rocket | ×8 | 11,200 |
Armored Foundation
| Method | Qty | Sulfur |
|---|---|---|
| cheapestTimed Explosive (C4) | ×8 | 17,600 |
| Rocket | ×15 | 21,000 |