Con la mejora de sus armaduras tus caballeros serán capaces de mantenerse ilesos en el campo de batalla durante mucho más tiempo. Realiza este Estudio para aumentar la defensa de caballeros.
| Nivel | Madera | Hierro | Piedra | Plata | Oro | Tiempo | Requisitos | Defensa de caballeros aumentada | Poder | Experiencia del Héroe |
| 1 | 5K | 3.75K | 5K | 4K | 860 | 04h 30m 00s | 1% | 200 | 15K | |
| 2 | 10K | 7.5K | 10K | 10K | 1.4K | 10h 00m 00s | Academia 5 | 3% | 500 | 30K |
| 3 | 20K | 15K | 20K | 25K | 2.65K | 1d 00h 00m 00s | Academia 7 | 7% | 1.25K | 45K |
| 4 | 40K | 30K | 40K | 62.5K | 4.55K | 2d 00h 00m 00s | Academia 9 | 13% | 3.15K | 60K |
| 5 | 80K | 60K | 80K | 160K | 9.1K | 4d 12h 00m 00s | Academia 11 | 21% | 7.85K | 75K |
| 6 | 160K | 120K | 160K | 395K | 19K | 1w 3d 00h 00m 00s | Academia 13 | 31% | 20K | 90K |
| 7 | 320K | 240K | 320K | 980K | 36K | 3w 1d 00h 00m 00s | Academia 15 | 46% | 49K | 105K |
| 8 | 640K | 480K | 640K | 2.45M | 64.5K | 6w 5d 00h 00m 00s | Academia 17 | 66% | 125K | 120K |
| 9 | 1.3M | 960K | 1.3M | 6.15M | 120K | 14w 5d 00h 00m 00s | Academia 19 | 91% | 310K | 135K |
| 10 | 2.6M | 1.95M | 2.6M | 15.5M | 215K | 32w 3d 00h 00m 00s | 131% | 765K | 150K | |
| 5.18M | 3.87M | 5.18M | 25.74M | 473.06K | 59w 4d 02h 30m 00s> 1 Año(s) | 131% | 1.28M | 825K |
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