New Skill - Bloodthirsty Blitz - Anyone know which order yet?

EIsea - Lost City

I am currently thinking of going shroud for this skil:

Sacrificial Slash - Gained from Order of Shroud

Mana %d
Channel 1.2 seconds
Cast 0.8 seconds
Cooldown 60.0 seconds
Weapon Blade

Requisite Cultivation Aware of Vacuity
Reduce your Defense Level by 40%, while
increasing your Attack Level by 50% of reduced Defense Level.
Lasts for 15 seconds.

Defense Level is reduced by at least 20.

However, I would love to know which order this skill comes from:

Blood-thirsty Blitz - Unavailable for now

Range 10 Meters
Mana %d
Channel 1.4 seconds
Cast 1.0 seconds
Cooldown 30.0 seconds
Weapon Blade

Requisite Cultivation Aware of Vacuity
Deals Physical Damage equal to your Physical Attack
plus 3681 to all enemies within 12 meters.
Absorbs a large amount of HP and increases Threat.

Costs 50 Chi

According to this thread: http://pwi-forum.perfectworld.com/showthread.php?t=1295271
the skill is unavailable for now, but dose anyone have more information or?