From iRO Wiki
Critical Slash (Alt: Crtical Slash) is an offensive skill exclusive to monsters.
Deals a Critical Attack at a target.
- Monsters do not normally crit; they must manually cast this skill to deal a Critical hit.
- Cast Time is uninterruptable.
- The Crit mechanic of this skill is same to its pre-renewal counterpart, where it deals 100% DEF-piercing damage.
- Damage can be reduced by wearing a carded armor.
- Damage can be negated by wearing an upgraded to +9 or higher.