Castle Keep — Level 3
Unit cap 14 · +2 resource regen · 180 gold to reach.
| Unit cap | 14 |
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| Resource regen bonus | +2 |
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| Cumulative upgrade cost | 180 gold |
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Buildings unlocked at this level
- Farm — Feeds your army: +1 battle supply per tick, per level.
- Mana Well — Wells up mana over time for hero skills and arcane works.
- Library — Researches new technology across Military, Economy and Arcane branches.
- Arcane Spire — Trains the Battle Mage. Each level adds +3% ability power.
- Workshop — Tinkers up speed-ups over time (1 per 12h per level, idle).
- Ballista — Joins the battle: slow, devastating bolts that skewer the biggest monster — even flyers.
- Trap Workshop — Arms floor traps on the lane's last stretch — one per level (spike, then frost, then tar).
- Warehouse — Expands your vaults: raises the offline gold cap and mana cap per level.
← Level 2 · Level 4 →