With Hammer in your hand, you can raise high halls and mighty fortifications. It is the item used to construct objects such as fire, workbench, buildings, furniture, etc.
How to Build a Hammer
Crafting material required for a Hammer:
Wood x3
Stone x2
A hammer can be upgraded to higher levels also, but you need a workbench to upgrade the hammer.
Here is the step-by-step guide to craft a Workbench.