[about rune knight dragon's breath delay]

Hello, everyone!

How can I modify will be like video?

 

ASPD: 193

I try to editor 'conf/battle/skill.conf' but still can't.

// Delay time after casting (Note 2)
delay_rate: 100

// Does the delay time depend on the caster's DEX and/or AGI? (Note 1)
// Note: On Official servers, neither Dex nor Agi affect delay time
delay_dependon_dex: no
delay_dependon_agi: no

Item bonus with my equip.

bonus bDelayRate,-100;

 

If anyone know, please teach me.

Thanks：）