Clay in "War Dynasty" is a very important special resource in the game. If you want to obtain clay, you can dig along the river. To dig, you need to get a shovel of any type or a non-stone material first. Iron Pickaxe, you can craft both tools in the workshop.
How to dig clay in the Warring Dynasty
To dig clay from underground deposits, you will need a shovel of any type or a non-stone iron pickaxe. You can craft both tools in a workshop, so if you plan to go hunting for clay, remember to build a workshop first.
You can carry up to 25 units of clay in your backpack, so it can easily fill up your backpack if you dig too quickly. You generally don't need much clay for most projects, unless you plan to create a large paddy field, such as a rice field, so don't dig too much.