Silent Predator 4

Energy 10 points
Instant cast
Cooldown 10 seconds
Level requirement Lv.60
A P-Skill cast on yourself that makes you invisible for the duration,
but reduces your SPD by 15%. There is a low chance of being detected
by monsters that are more than Lv.1 higher than you. Cannot be cast during combat.

Not effective against Dungeon Boss, Guild Boss, World Boss
Not effective against Dungeon Elite within a level difference of 10 (inclusive)