Help with Skill Effect

[Reins 3]

Hello Folks, I need assistance regards to my custom skill effect i just want to have when the skill has been trigger that effect will be wall of fog all over the caster's screen

since i use this codes, I can't attain how will i do it to display the wall of fog on whole caster's screen

clif_specialeffect(bl,405,AREA);
clif_specialeffect(src,405, AREA);


Thanks

[Reins 3]

bump?