The Inquisitors wander the world seeking hotbeds of heresy. Once they encounter Apostates, they thoroughly study their strengths and weaknesses. Conduct this Study and the Inquisitors will be able to attack level I Apostates.
| Level | Food | Lumber | Iron | Stone | Silver | Gold | Time | Requirements | Allows you to attack level I Apostates | Power | Hero's Experience |
| 1 | 5K | 2.5K | 2.5K | 2.5K | 5K | 215 | 00h 30m 00s | Academy 12 | ✓ | 420 | 200 |
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