The Inquisitor learns the weaknesses of the Apostates by understanding their stories. The information they receive will help them to strike the opponent's weak spot during battle. Conduct this Study to increase the chance of a critical hit to the Apostate.
| Level | Food | Lumber | Iron | Stone | Silver | Gold | Time | Requirements | Increased Critical Hit Chance | Power | Hero's Experience |
| 1 | 3M | 3M | 3M | 3M | 3M | 96.5K | 5w 00h 00m 00s | 1% | 270K | 130K | |
| 2 | 6M | 6M | 6M | 6M | 6M | 150K | 8w 3d 00h 00m 00s | 3.5% | 540K | 275K | |
| 3 | 12M | 12M | 12M | 12M | 12M | 230K | 14w 1d 00h 00m 00s | 6.5% | 1.1M | 445K | |
| 4 | 24M | 24M | 24M | 24M | 24M | 350K | 23w 5d 00h 00m 00s | 9% | 2.2M | 650K | |
| 5 | 48M | 48M | 48M | 48M | 48M | 550K | 39w 6d 00h 00m 00s | 12% | 4.35M | 895K | |
| 6 | 95.5M | 95.5M | 95.5M | 95.5M | 95.5M | 860K | 67w 00h 00m 00s> 1 Year(s) | 14.5% | 8.65M | 1.2M | |
| 7 | 195M | 195M | 195M | 195M | 195M | 1.35M | 112w 5d 00h 00m 00s> 2 Year(s) | 18% | 17.5M | 1.55M | |
| 8 | 385M | 385M | 385M | 385M | 385M | 2.15M | 189w 4d 00h 00m 00s> 3 Year(s) | 21.5% | 35M | 1.95M | |
| 9 | 765M | 765M | 765M | 765M | 765M | 3.4M | 319w 00h 00m 00s> 6 Year(s) | 27% | 69.5M | 2.4M | |
| 10 | 1.55B | 1.55B | 1.55B | 1.55B | 1.55B | 5.45M | 536w 6d 00h 00m 00s> 10 Year(s) | 35% | 140M | 2.9M | |
| 3.08B | 3.08B | 3.08B | 3.08B | 3.08B | 14.59M | 1 316w 2d 00h 00m 00s> 25 Year(s) | 35% | 279.11M | 12.4M |
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