Types of merchants
The Shop – here you can buy improved pickaxes for resources
Smeltary – this merchant will exchange your resources for more expensive ones.
Worke – this merchant will sell minions that will extract resources for you
Warlock – This merchant will trade sun stones for infinity stones to complete the game.
To complete the game, you must get a large amount of resources and an infinity stone, which must be placed on the sea lantern, and then the game is considered passed.