The key to charming your dragon in manhwa is through bravery and loyalty. Stand by its side in difficult times and prove your worth. Additionally, using special powers or gifts might help win its heart.
Well, first of all, they often have a clear leveling system. Just like in games, characters can gain experience and level up, which usually means they get stronger, gain new abilities or skills. For example, in 'Solo Leveling', the main character's leveling process is a major part of the story. Another characteristic is the existence of quests or missions. The characters need to complete these tasks to progress in the story, similar to how it is in games. And there are often stats like strength, intelligence, etc. that can be improved.