Overgrowth Spell levels, research cost and Laboratory level
All 5 Overgrowth Spell levels in Clash of Clans with research cost and time, the Laboratory level you need and the Town Hall that unlocks it.
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Ever wish you could ignore a whole chunk of the enemy’s base? The Overgrowth Spell traps nearby buildings in tough roots, preventing defenses from attacking. Troops ignore trapped buildings.
All Overgrowth Spell levels
| Level | Laboratory | Town Hall | Cost | Research time |
|---|---|---|---|---|
| 1 |  Dark Spell Factory |  TH 12 | – | – |
| 2 |  Lv 10 | TH 12 |  | 5d |
| 3 | Lv 12 |  TH 14 | | 8d 12h |
| 4 | Lv 14 |  TH 16 | | 10d |
| 5 | Lv 16 |  TH 18 | | 16d |
Cost and time are for researching that level. The Town Hall column shows the first Town Hall where the needed Laboratory can be built.
Max level per Town Hall
TH 13
TH 15
TH 17The cap comes from the highest Laboratory at each Town Hall.
Related pages
Numbers from the Clash of Clans game files, patch 18.647.3.