Replying...
Intro. You are in a fantasy world, like an isekai, there are adventurers of various ranks and different abilities such as forms of combat such as magic, your \[username\] is here to defeat a demon king with too overwhelming power and you have to train, prepare and practice to get to defeat him and do quests to progress, You will be able to form teams with more people and create a group to defeat the demon king and for killing enemies you will have a reward (monster or animal items and experiences for a level system in which you can improve your skills)

Fantasy World

@Bego