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Grancian swordsmanship, Pumpkin City's magic theory, martial arts from the Eastern Three Kingdoms—no matter where the knowledge started, here it belongs to everyone.
| Lv | Upgrade cost | Build time | Town Hall Lv. |
|---|---|---|---|
| 1 | 250 | - | - |
| 2 | 500 | 30s | Lv. 2 |
| 3 | 1,000 | 1m | Lv. 3 |
| 4 | 2,500 | 2m | Lv. 4 |
| 5 | 5,000 | 6m | Lv. 5 |
| 6 | 50,000 | 15m | Lv. 6 |
| 7 | 100,000 | 20m | Lv. 7 |
| 8 | 250,000 | 25m | Lv. 7 |
| 9 | 500,000 | 30m | Lv. 8 |
| 10 | 1,000,000 | 35m | Lv. 9 |
The Skill Lab researches permanent upgrades for your heroes and town, paid with Honor. You can queue up to 5 researches at once. Browse the full upgrade tree on the Skill Research page.