Need Help regards Sonic Wave of Rune Knight

[Yonko]

Hello rathena i just want to modify the sonic wave which when the RK use it on the target when the target receive damage it will cast earthquake which damage again to the target and the mobs beside the target

case RK_SONICWAVE:

skillratio = (skill_lv + 5) * 100; // ATK = {((Skill Level + 5) x 100) x (1 + [(Caster's Base Level - 100) / 200])} %

skillratio = skillratio * (100 + (status_get_lv(src) - 100) / 2) / 100;


here's the graphical explanation