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Upgrades and Shop
Siege Tokens are earned from invasions, see Items and Rewards. Spend them in the Core menu under Upgrades. Switch between upgrades and the shop with the button at the bottom; use the arrows if there are more pages.
Upgrades are permanent and belong to the base. They cannot be bought during an invasion. Each level costs more than the last.
| Upgrade | Max level | First level | Per level after | Effect per level |
|---|---|---|---|---|
| Core Armor | 5 | 25 | +15 | +50 maximum Core HP |
| Threat Stabilizer | 5 | 30 | +20 | -7% Threat, up to -35% |
| Repair Efficiency | 5 | 20 | +15 | +15% repair from Iron and Diamond |
| Air Defense | 4 | 30 | +20 | -15% Phantom pressure, up to -60% |
| Reward Booster | 5 | 40 | +25 | +10% Siege Tokens |
| Emergency Shield | 3 | 80 | +50 | One save from lethal damage, restoring 35% HP |
| Core Regeneration | 5 | 35 | +25 | Heals the Core by 4 HP every 5 seconds |
| Preparation Time | 4 | 45 | +35 | +10 seconds between waves, +5 before the first |
| Elite Ward | 4 | 60 | +45 | -12% Elite chance, up to -45% |
| Shield Dome | 4 | 40 | +25 | Absorbs 15 Core damage each wave |
| Turret Calibration | 4 | 35 | +20 | +1.5 turret damage |
| Core Shockwave | 3 | 60 | +40 | Once per wave at half Core health, hits mobs within 10 blocks for 12 damage and throws them back |
Good early buys: Core Armor, Reward Booster and Repair Efficiency.
| Item | Amount | Tokens |
|---|---|---|
 Siege Barricade |
4 | 8 |
 Spike Trap |
2 | 12 |
 Slow Trap |
2 | 12 |
 Flame Trap |
2 | 18 |
 Frost Totem |
1 | 24 |
 Repair Pylon |
1 | 28 |
 War Horn |
1 | 35 |
 Ballista Turret |
1 | 40 |
 Sky Guard Turret |
1 | 45 |