If you want to gain powerful combat effectiveness out of nothing, you can only obtain some powerful equipment and other methods through your own operations. If you want to know how to play the Malicious Mage Fireball style, and use nothing to improve your combat effectiveness and make yourself stronger, then follow the editor of Source Code Network to take a look at this guide. I believe it can give you the answer. .
Equipment attributes
Weapons and Gloves entries: Restore 3-10% focus when killing monsters.
The pants are inlaid with topaz fragments, which restore 3-10% of concentration when using skills.
Concentration requires ten bars, and a fireball requires two bars. The attributes can be changed to 10% for gloves, 8% for weapons, and 7% for pants.
A fireball will consume 20%, releasing skills can trigger 7% of the pants' effect, killing monsters can trigger 18%, and the total recovery is 22%.
The higher the concentration grid, the greater the recovery percentage. Players can use potions to increase concentration, and use staffs to increase concentration.