The Metalsmith employs the latest Metallurgy for construction, armor and weapons. Metals become stronger and lighter as more advanced alloys are discovered.
The Metalsmith is required to train the Minotaur (Level 1), Battle Dragon (Level 5), Giant (Level 5), Fire Mirror (Level 7), Lightning Cannon (Level 10), Storm Drake (Level 10), Venge Wyrm (Level 10), Fangtooth (Level 7), Granite Ogre (Level 9), and Lava Jaw (Level 8) troops.
It is also required for researching Metallurgy in the Science Center.
Requirements to Upgrade and Power Boost
| Level | Food | Lumber | Ore | Stone | Time | Power |
| 1 | 125 | 1,000 | 1,200 | 600 | 3m 0s | 20 |
| 2 | 250 | 2,000 | 2,400 | 1,200 | 6m 4s | 20 |
| 3 | 500 | 4,000 | 4,800 | 2,400 | 12m 18s | 40 |
| 4 | 1,000 | 8,000 | 9,600 | 4,800 | 24m 54s | 80 |
| 5 | 2,000 | 16,000 | 19,200 | 9,600 | 50m 26s | 160 |
| 6 | 4,000 | 32,000 | 38,400 | 19,200 | 1h 42m 9s | 320 |
| 7 | 8,000 | 64,000 | 76,800 | 38,400 | 3h 26m 51s | 640 |
| 8 | 16,000 | 128,000 | 153,600 | 76,800 | 6h 58m 53s | 1,280 |
| 9 | 32,000 | 256,000 | 307,200 | 153,600 | 14h 8m 14s | 2,560 |
| 10 | 64,000 | 512,000 | 614,400 | 307,200 | 1d 4h 37m 41s | 5,120 |
| Level | Food | Lumber | Ore | Stone | Time | Power |
| 11 | 80,000 | 640,000 | 768,000 | 384,000 | 2d 9h 15m 22s | 20,480 |
| 12 | 80,000 | 640,000 | 768,000 | 384,000 | 4d 18h 30m 44s | 40,960 |
| 13 | 80,000 | 640,000 | 768,000 | 384,000 | 4d 18h 30m 44s | 81,920 |
| 14 | 80,000 | 640,000 | 768,000 | 384,000 | 4d 18h 30m 44s | 163,840 |
| 15 | 80,000 | 640,000 | 768,000 | 384,000 | 4d 18h 30m 44s | 327,680 |
| 16 | 80,000 | 640,000 | 768,000 | 384,000 | 4d 18h 30m 44s | 655,360 |
| 17 | 80,000 | 640,000 | 768,000 | 384,000 | 4d 18h 30m 44s | 1,310,720 |
| 18 | 80,000 | 640,000 | 768,000 | 384,000 | 4d 18h 30m 44s | 2,621,440 |
| 19 | 80,000 | 640,000 | 768,000 | 384,000 | 4d 18h 30m 44s | 5,242,880 |
| 20 | 80,000 | 640,000 | 768,000 | 384,000 | 4d 18h 30m 44s | 10,485,760 |
| Level | Food | Lumber | Ore | Stone | Time | Power |
- You need an Ancestral seal for level 11-16
- You need one Lineage seal for level 17-19
- You need 2 Lineage seals for level 20