Pattern Welding is a unique technology of the Macedonian Dynasty in Age of Empires IV: Dynasties of the East. It can be researched multiple times at the Varangian Arsenal starting in the Feudal Age, and increases the damage of all melee infantry units by 1.
Tiers[]
| Tier | Minimum Age | Silver cost |
|---|---|---|
| 1st |  Feudal Age
|
175 |
| 2nd | 350 | |
| 3rd |  Castle Age
|
700 |
| 4th | 1,400 | |
| 5th |  Imperial Age
|
2,400 |
| 6th | 3,400 |
