Sample: 1-day upgrade with Builder or Research boost tiers (10/15/20%).
| Tier | Builder time | Research time | Builder cost | Research cost |
|---|---|---|---|---|
| 10% | 21h 36m | 21h 36m | 900,000 | 900,000 |
| 15% | 20h 24m | 20h 24m | 850,000 | 850,000 |
| 20% | 19h 12m | 19h 12m | 800,000 | 800,000 |
Based on 1,000,000 gold/elixir sample cost.