Lab Enemy Research Unlocks at Tier 3 wave 150 Milestone. Second Wind Blast clears a percent of spawned enemies after second wind triggers. Has 4 levels.
| Level | Time | Cost | Value |
|---|---|---|---|
| 1 | 1d 3h 46m | 1,800,000 | 25% |
| 2 | 1d 17h 39m | 3,000,000 | 50% |
| 3 | 2d 7h 33m | 4,500,000 | 75% |
| 4 | 3d 11h 19m | 75,000,000 | 100% |
Lab Card Research Unlocks at Tier 14 wave 60 Milestone. Allows Second Wind to recharge a number of waves after activating. Has 7 levels.
| Level | Time | Cost | Value |
|---|---|---|---|
| 1 | 5d 4h 59m | 550,000,000,000 | 2,000 |
| 2 | 6d 14h 21m | 1,050,000,000,000 | 1,500 |
| 3 | 8d 54m 39s | 1,550,000,000,000 | 1,250 |
| 4 | 9d 23h 10m | 2,050,000,000,000 | 1,000 |
| 5 | 14d 1h 58m | 2,560,000,000,000 | 750 |
| 6 | 24d 19h 29m | 3,070,000,000,000 | 550 |
| 7 | 51d 8h 11m | 3,600,000,000,000 | 400 |