With great reflexes, enables one to avoid the monster's attack.
Passive skill

Stab a monster with a dagger that's been smeared with poison; the monster struck has a chance of being poisoned. Usable up to 3 times against each monster.

Increase all player's stats within a party by certain percentage

Strikes an unsuspecting monster at its vital spot 5 times. The last strike can be a critical hit with a given success rate.
If hidden in Dark Sight, charge up to 12 seconds for increased damage.
A fully charged hit will make your attacks ignore a percentage of the monster's defense for a given amount of time.

Provokes up to 6 monsters for 120 seconds, causing their damage resistance to increase. As a result, EXP earned and drop rate for items will increase for each monster taunted.

For a set period of time, a group of ninjas hiding around the bushes will periodically ambush up to 6 monsters at once.

Sets off a smoke grenade to escape from a tight situation. All members of the party in the vicinity of smoke will not receive damage while the skill is up.

With great quickness, stabs multiple monsters TWICE. Under the set success rate, the monsters attacked will be stunned.

Enables one to shrug off the seduce status condition.

Fully-charged Assassinate hit grants the ability to partially ignore enemy Defense for 30 seconds.