El Hierro se produce aquí. Es necesario para la construcción de edificios y para la producción de armas y armaduras. Mejorando la Mina un Lord puede acelerar la producción de Hierro y aumentar su capacidad de almacenamiento.
| Nivel | Madera | Piedra | Comida | Tiempo | Oro | Requisitos | Platino | Experiencia del Héroe | Poder | Capacidad | Producción por hora |
| 1 | 50 | 50 | 50 | 00h 01m 20s | 15 | Palacio 1 | 5 | 5 | 750 | 15 | |
| 2 | 85 | 85 | 85 | 00h 02m 40s | 25 | Palacio 2 | 15 | 10 | 2 250 | 45 | |
| 3 | 145 | 145 | 145 | 00h 05m 20s | 50 | Palacio 3 | 25 | 15 | 4 500 | 90 | |
| 4 | 250 | 250 | 250 | 00h 15m 00s | 110 | Palacio 4 | 100 | 20 | 7 500 | 150 | |
| 5 | 420 | 420 | 420 | 00h 25m 00s | 155 | Palacio 5 | 200 | 30 | 11 250 | 225 | |
| 6 | 840 | 840 | 840 | 00h 45m 00s | 225 | Palacio 6 | 250 | 50 | 15 750 | 315 | |
| 7 | 1.7K | 1.7K | 1.7K | 01h 30m 00s | 335 | Palacio 7 | 250 | 85 | 26 250 | 420 | |
| 8 | 3.4K | 3.4K | 3.4K | 03h 00m 00s | 490 | Palacio 8 | 250 | 125 | 38 250 | 540 | |
| 9 | 6.75K | 6.75K | 6.75K | 06h 00m 00s | 745 | Palacio 9 | 250 | 190 | 51 750 | 675 | |
| 10 | 10.5K | 10.5K | 10.5K | 12h 00m 00s | 1 250 | Palacio 10 | 250 | 290 | 66 750 | 825 | |
| 11 | 15.5K | 15.5K | 15.5K | 14h 00m 00s | 1 350 | Palacio 11 | 250 | 435 | 83 250 | 990 | |
| 12 | 23K | 23K | 23K | 18h 00m 00s | 1 600 | Palacio 12 | 250 | 655 | 101 250 | 1 170 | |
| 13 | 34.5K | 34.5K | 34.5K | 21h 00m 00s | 1 750 | Palacio 13 | 500 | 980 | 120 750 | 1 365 | |
| 14 | 51.5K | 51.5K | 51.5K | 1d 00h 00m 00s | 1 900 | Palacio 14 | 1.25K | 1.45K | 152 250 | 1 575 | |
| 15 | 77K | 77K | 77K | 1d 06h 00m 00s | 2 250 | Palacio 15 | 1.25K | 2.2K | 186 000 | 1 800 | |
| 16 | 115K | 115K | 115K | 1d 12h 00m 00s | 2 600 | Palacio 16 | 1.25K | 3.3K | 222 000 | 2 040 | |
| 17 | 175K | 175K | 175K | 2d 00h 00m 00s | 3 300 | Palacio 17 | 1.25K | 4.95K | 260 250 | 2 295 | |
| 18 | 260K | 260K | 260K | 3d 06h 00m 00s | 5 050 | Palacio 18 | 1.25K | 7.45K | 300 750 | 2 565 | |
| 19 | 390K | 390K | 390K | 6d 00h 00m 00s | 8 900 | Palacio 19 | 2.5K | 11K | 343 500 | 2 850 | |
| 20 | 585K | 585K | 585K | 1w 4d 00h 00m 00s | 16 000 | Palacio 20 | 2.5K | 16.5K | 388 500 | 3 150 | |
| 21 | 875K | 875K | 875K | 6w 00h 00m 00s | 58 000 | Palacio 21 | 5K | 25K | 451 500 | 6 300 | |
| 22 | 1.35M | 1.35M | 1.35M | 8w 6d 00h 00m 00s | 85 500 | Palacio 22 | 5K | 37.5K | 532 500 | 7 050 | |
| 23 | 2M | 2M | 2M | 14w 1d 00h 00m 00s | 140 000 | Palacio 23 | 5K | 56.5K | 631 500 | 7 950 | |
| 24 | 2.95M | 2.95M | 2.95M | 24w 00h 00m 00s | 235 000 | Palacio 24 | 7.5K | 85K | 748 500 | 9 000 | |
| 25 | 4.45M | 4.45M | 4.45M | 43w 1d 00h 00m 00s | 415 000 | Palacio 25 | 7.5K | 125K | 883 500 | 10 200 | |
| 26 | 6.65M | 6.65M | 6.65M | 129w 3d 00h 00m 00smore 2 years | 1 250 000 | Palacio 26 | 15K | 190K | 1 036 500 | 11 700 | |
| 27 | 9.95M | 9.95M | 9.95M | 168w 2d 00h 00m 00smore 3 years | 1 650 000 | Palacio 27 | 5 000 | 17.5K | 285K | 1 207 500 | 13 350 |
| 28 | 15M | 15M | 15M | 218w 5d 00h 00m 00smore 4 years | 2 100 000 | Palacio 28 | 10 500 | 21.25K | 430K | 1 396 500 | 15 225 |
| 29 | 22.5M | 22.5M | 22.5M | 284w 2d 00h 00m 00smore 5 years | 2 750 000 | Palacio 29 | 16 500 | 25K | 645K | 1 603 500 | 17 325 |
| 30 | 34M | 34M | 34M | 369w 3d 00h 00m 00smore 7 years | 3 550 000 | Palacio 30 | 23 000 | 28.75K | 965K | 1 828 500 | 19 650 |
| 31 | 50.5M | 50.5M | 50.5M | 480w 2d 00h 00m 00smore 9 years | 4 600 000 | Palacio 31 | 30 000 | 32.5K | 1.45M | 2 071 500 | 22 200 |
| 32 | 130M | 130M | 130M | 576w 2d 00h 00m 00smore 11 years | 6 700 000 | Palacio 32 | 4.53M | 5.8M | 2 332 500 | 24 975 | |
| 33 | 315M | 315M | 315M | 749w 2d 00h 00m 00smore 14 years | 8 700 000 | Palacio 33 | 5M | 23M | 2 611 500 | 27 975 | |
| 34 | 790M | 790M | 790M | 974w 00h 00m 00smore 18 years | 11 500 000 | Palacio 34 | 5.47M | 93M | 2 908 500 | 31 200 | |
| 35 | 2B | 2B | 2B | 1 266w 1d 00h 00m 00smore 24 years | 15 000 000 | Palacio 35 | 5.94M | 370M | 3 223 500 | 34 650 | |
| 36 | 5.9B | 5.9B | 5.9B | 2 532w 2d 00h 00m 00smore 48 years | 22 000 000 | Palacio 36 | 6.94M | 555M | 3 556 500 | 42 150 | |
| 37 | 18B | 18B | 18B | 6 330w 4d 00h 00m 00smore 121 years | 35 000 000 | Palacio 37 | 7.94M | 835M | 3 907 500 | 53 400 | |
| 38 | 53.5B | 53.5B | 53.5B | 18 991w 4d 00h 00m 00smore 363 years | 52 000 000 | Palacio 38 | 8.94M | 1.25B | 4 276 500 | 75 900 | |
| 39 | 160B | 160B | 160B | 58 873w 4d 00h 00m 00smore 1128 years | 81 000 000 | Palacio 39 | 9.94M | 1.85B | 4 663 500 | 109 650 | |
| 40 | 640B | 640B | 640B | 191 338w 6d 00h 00m 00smore 3667 years | 130 000 000 | Palacio 40 | 10.94M | 2.8B | 5 068 500 | 154 650 | |
| 880.79B | 880.79B | 880.79B | 283 383w 2d 05h 04m 20smore 5431 years | 378 781 600 | 85 000 | 65.81M | 7.79B |
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