Lab/Wall Thorns
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< Lab
Wall Thorns[edit | edit source]
Wall Thorns 
Lab Defense Research Unlocks at Tier 10 Wave 70 Milestone. Has 20 Levels. Allows the wall to do thorn damage based on a percent of the tower's thorn damage.
| Level | Time | Cost | Value |
|---|---|---|---|
| 1 | 1d 3h 46m | 30,000,000,000 | 1% |
| 2 | 1d 12h 7m | 38,100,000,000 | 2% |
| 3 | 1d 20h 49m | 46,350,000,000 | 3% |
| 4 | 2d 6h 58m | 54,720,000,000 | 4% |
| 5 | 2d 20h 39m | 63,210,000,000 | 5% |
| 6 | 3d 17h 8m | 71,810,000,000 | 6% |
| 7 | 5d 0h 54m | 80,520,000,000 | 7% |
| 8 | 7d 1h 48m | 89,320,000,000 | 8% |
| 9 | 10d 3h 3m | 98,220,000,000 | 9% |
| 10 | 14d 13h 24m | 107,220,000,000 | 10% |
| 11 | 20d 19h 4m | 116,310,000,000 | 11% |
| 12 | 29d 7h 56m | 125,490,000,000 | 12% |
| 13 | 40d 17h 29m | 134,760,000,000 | 13% |
| 14 | 55d 14h 55m | 144,120,000,000 | 14% |
| 15 | 74d 17h 9m | 153,560,000,000 | 15% |
| 16 | 98d 18h 54m | 163,090,000,000 | 16% |
| 17 | 128d 16h 42m | 172,700,000,000 | 17% |
| 18 | 165d 8h 56m | 182,400,000,000 | 18% |
| 19 | 209d 19h 53m | 192,180,000,000 | 19% |
| 20 | 263d 3h 46m | 202,030,000,000 | 20% |