BladeMaster Assassin

Nukitsuke
Rank Needed: 0
Mana Cost: 0 Mana
Cooldown: 1.75 Seconds
Type: Physical
Range: An infinite range attack that deals damage to 1 target.
Description: A blade strike from the hilt, fast enough to hit before your opponent gets a chance to act.

Manually use while Sheathe is active to unsheathe, striking up to 6 targets and applying Spinning Dragon to them, reducing their next hit to 0.
Note: Nukitsuki (抜付け) means "draw cut" in Japanese.

Simple Solution
Rank Needed: 3
Mana Cost: 15 Mana
Cooldown: 8 Seconds
Type: Physical
Range: An infinite range attack that deals damage to 6 hostile targets.
Description: Deals damage and applies Slicing Winds, reducing your target's Crit Chance by 25% for 10 seconds.

While Sheathed, deals no damage and applies Killing Edge, increasing Crit Chance and Crit Damage by 100% for 10 seconds, then immediately uses Nukitsuke afterwards.
Note: Deals 100% Physical Damage.

Umbral Shuriken
Rank Needed: 5
Mana Cost: 20 Mana
Cooldown: 15 Seconds
Type: Physical
Range: An infinite range attack that deals damage to 6 hostile targets.
Description: Releases a barrage of Shurikens and applies Hemorrhage for 5 seconds, a gruesome DoT for 5 seconds.

While Sheathed, deals no damage and applies Precision Cut, reducing your target's Damage Resistance by 40% for 10 seconds, and Decay, negating all non lifesteal healing received for 3 seconds, then immediately uses Nukitsuke afterwards.

Note: Deals 125% Physical Damage.

Death's Dance
Rank Needed: 2
Mana Cost: 10 Mana
Cooldown: 20 Seconds
Type: Physical
Range: A short range status skill that applies to yourself.
Description: Performs a deadly stance, increasing your Dodge by 30% Performs a deadly stance, increasing your Dodge by 40% and reducing Damage Resistance by 20% for 10 seconds.

While Sheathed, instead applies Prepared Strike, causing your next Nukitsuke to deal unavoidable critical damage. This effect can be stacked up to 4 additional times for bonus damage, but only deals bonus damage to the first targets hit.

Kyushojutsu
Rank Needed: 4
Type: Passive Ability
Description: Crit Chance increased by 12%.
Note: Kyushojutsu (急所術) means "vital point technique" in Japanese.

Zanshin
Rank Needed: 4
Type: Passive Ability
Description: Hit Chance increased by 10%.
Note: Zanshin (残心) means "art of mental awareness" in Japanese.

Iaijutsu
Rank Needed: 1
Mana Cost: 5 Mana
Cooldown: 6 Seconds
Type: Physical
Range: An infinite range status skill that applies to yourself.
Description: Sheaths your sword waiting for the perfect moment to strike, preventing your from using damaging skills for 2 seconds and removing Death's Dance. While Sheathed, your Damage Resistance is increased by 50% and you heal over time.
Note: Iaijutsu (居合術) means "art of mental presence and tactical reaction" in Japanese.

Taihenjutsu
Rank Needed: 10
Type: Passive Ability
Description: Haste and Dexterity increased by 12%
Note: Taihenjutsu (体変術) means "art of body alteration" in Japanese.