By hunting monsters inside the monster infested area like Dark Forest, adventurers and some people will get a lot of resources.
It could be said that this kind of resource is similar to gold mine but in many different forms. The monsters not only provide monster cores that are useful for energy supply and alchemy products, their corpses are also useful to many things.
Some parts of it could be useful for medicine, some could be used as a base for weapons and arms, some could become a very luxury of clothes, and many others purpose. The only limitation is people need to hunt this dangerous monster first.
Because of this, there are many adventure guilds that are flourishing in the Heart kingdom. The Guild in this world is almost the same as the company on Earth. Except in here guilds consist of strong people and rather than workers.
