From Lineage 2 Encyclopaedia

Properties

Wind Strike
Creates a powerful hurricane and inflicts Wind damage on the enemy with 12 Power added to M. Atk.
Class	Human Mystic
Type	active
Attribute	-
Recast time	1.20000005 s
Cast time	4 s
Cast range	600
Classes with same skill	Human Mystic, Wizard, Sorcerer, Necromancer, Warlock, Cleric, Bishop, Prophet, Elven Mystic, Elven Wizard, Spellsinger, Elemental Summoner, Elven Oracle, Elven Elder, Dark Mystic, Dark Wizard, Spellhowler, Phantom Summoner, Shillien Oracle, Shillien Elder, Archmage, Soultaker, Arcana Lord, Cardinal, Hierophant, Mystic Muse, Elemental Master, Evas Saint, Storm Screamer, Spectral Master, Shillien Saint

Skill Upgrade

Lvl. to Learn	Skill Lvl.	Description	MP Consume	HP Consume	SP
1	1	Creates a powerful hurricane and inflicts Wind damage on the enemy with 12 Power added to M. Atk.	9	0	0
7	2	Creates a powerful hurricane and inflicts Wind damage on the enemy with 13 Power added to M. Atk.	9	0	1
7	3	Creates a powerful hurricane and inflicts Wind damage on the enemy with 15 Power added to M. Atk.	10	0	1
14	4	Creates a powerful hurricane and inflicts Wind damage on the enemy with 18 Power added to M. Atk.	14	0	2
14	5	Creates a powerful hurricane and inflicts Wind damage on the enemy with 21 Power added to M. Atk.	15	0	2