In Dungeon and Fighter games, players gain upgrade experience by completing dungeons and completing challenges. However, when the player reaches level 70, there will be an option to replace skills. We need to block a small skill, and then Can learn other skills.
1. When a character reaches level 70, the level 70 skills are gray and cannot be clicked directly.
2. At this time, we need to block a small skill before we can click on the skill.
3. After this small skill is blocked, the button will turn gray and cannot be clicked at this time.
4. Later, you can click the "Skill Change" button according to your personal needs and choose to change or ban other small skills.
