She had seen a division of skill levels in a book called the Royal Beast Encyclopedia. Skills are divided into primary, middle and high order skills.

For example, sparks, bubble bullets, and slaps are low level skills, while mid-level skills are corresponding to fire, water cannon, and multiple slaps, and high level skills can basically hit low level monsters with one blow.微信小程序刷票免费

Totally different concept.

However, even if different levels of monsters have the same skill, the same proficiency will have different effects.