Class: Ertheia Wizard

Ertheia Wizardrd

Hydro Attack (하이드로 어택): Launches a sphere of lightning and wind at a target, dealing damage with 227 power added to M. Atk and applying Sign of Storms. Subjects affected by a debuff take an additional 10% damage. Usable with Sword/Blunt
Hydro Flare (하이드로 플레어): Removes the Sign of Storm to deal damage with 683 power added to M. Atk. Only available at Sign of Storm Lv. 3. Has a chance to apply Sign of Storm Lv. 4. Hydro Flare can be used on targets affected by Sign of Storm Lv. 4 without any conditions (doesn't remove the sign I guess?). Subjects affected by a debuff take and additional 10% damage. Usable with Sword/Blunt.
Assimilate (어시멀레이트): Transforms into wind for 10s. While affected, speed is increased by 100. When normal attacks or attack skills are used, the assimilation effect is removed. Usable with Sword/Blunt. (Something weird is going on with the name/description, apparently assimilate and fairytale use the same word? So I'm not sure if I got it right, but there's a fairy transform skill in the videos and I think this is it.) (10초간 바람에 동화되어 모습을 감춘다. 동화가 된 상태에서는 이동속도가 100 증가한다. 일반 공격 및 공격 스킬 사용 시 해제된다.)
Superior Blunt Weapon Mastery (슈페리얼 블런트 웨폰 마스터리): When equipped with a Blunt weapon, increases M. Atk. by 40% and and additional 1727, Casting Spd. by 30%, M. Crit. Rate by 10% and M. Crit. Dmg. by 10%. Applies Sign of Storms when using Hydro Attack. When using Hydro Flare applies Sign of Storms Lv. 4 with a 33% chance. When using Execution of Sayha applies Sign of Storms Lv. 3.
Superior Robe Mastery (슈페리얼 로브 마스터리): When wearing a robe, increases P. Def. by 1601, M. Def. by 5% and an additional 1496, Magic Attack Resistance by 35%. Due to reliance on wind for movement, cannot wear shield/sigil.
Superior Quick Recovery (슈페리얼 퀵 리커버리): Increases Max HP by 4891, Max MP by 568 and MP recovery bonus by 11. Decreases magic skill reuse delay by 30% and MP consumption by 7%.
Sign of Storms (싸인 오브 스톰): Due to the power of the storm, M. Def. is decreased by 30% and speed by 70. (Same for the first 3 levels, Lv.4 is -50% M. Def. and -100 speed)(This is the debuff that gets applied and levels up by various skills one lvl at a time unless noted otherwise)(Lv. 4 may or may not be only available only when a skill applies it directly)

Manus (메너스) 

Hydro Strike (하이드로 스트라이크): Uses the strength of storms to attack a target with 563 power added to M. Atk., putting the target for 5 seconds into a prison of wind, making it lose its mind. (decreases mental resistance or yoke maybe? But there's no special debuff that is linked to this skill) (대상을 5초간 바람 감옥에 가둬서 정신을 잃게 만든다). Only usable while transformed into wind (I guess while under Assimilate)(바람에 동화된 상태에서만 사용 가능). Usable with Sword/Blunt
Air Rush (에어 러시): Spreads wings of wind to fly towards the target and drop with 456 power added to M. Atk. Subjects affected by a debuff take an additional 10% damage. Removes Sign of Storms to deal additional damage. Usable with Sword/Blunt.
Storm Eye (스톰 아이): For 30s increases M. Crit. Rate by 100%, P. Def./M. Def by 30%, Knockback/Knockdown/Pull/Yoke/Hate resistance by 90 and decreases magic skill MP consumption by 50%. Usable with Sword/Blunt.
Ultimate Squall (얼터미트 스콜): Removes debuffs and for 10min receive the protection of wind, reducing P./M. Crit Dmg. taken by 15%. Attackers are with a certain probability struck by lightning (일정 확률로 대상에게 번개를 떨어트린다). Further increases speed by 7.
Superior Ability (슈페리얼 어빌리티): Increases INT by 16. Additionally, there is a chance the Cooldown of skills will reset or the duration double depending on your INT.

Storm Manus (스톰 메너스)

Hydro Drain (하이드로 드레인): Removes Sign of Storms to deal damage with 526 power added to M. Atk and recovers 50% of damage done as HP. Available at Sign of Storms Lv. 3. Usable with Sword/Blunt.
Wind Temptation (윈드 템프테이션): Blows a captivating wind, forcing the target to come closer for 5s. (매혹의 바람을 날려 5초간 대상을 강제로 자신 방향으로 다가오게 한다.) Usable with Sword/Blunt.
Threatening Wind (스레트닝 윈드): Sends the wind to a target, applying Sign of Storms Lv. 3
Deception Blink (디셉션 블링크): Attacks nearby enemies with 133 Power added to M. Atk., inflicting Stun and canceling their targets. Teleports you backwards. Applies Sing of Storms Lv.1 to enemies.
Superior Resist Attributes (슈페리얼 레지스트 어트리뷰트): Increase resistance to Wind and Holy attributes by 30.
Superior Trait Resistance (슈페리얼 트레이트 레지스턴스): Increase resistance to Hold/Mental/Pull/Hate by 30.

Sayha Seer (사이하즈 시어)

Seer Aura (시어 오라): Grants Seer Force to party members, increasing M. Crit. Chance by 1% (the fighter has an aura in files also, but not mentioned in notes, oversight? It should give 1% P. skill crit rate)
Potential magic (포텐셜 매직): Increases maximum M. Crit. Rate (Why didn't they do this for other races/stats that reach a cap much easier...)
Execution of Sayha (익스큐션 오브 사이하): Use Sayha's power to attack a target with 729 power added to M. Atk., for 10s reducing their Atk./Cast speed by 30% and speed by 180. Applies Sign of Storms Lv. 3. Subjects affected by a debuff take an additional 10% damage. Usable with Sword/Blunt.
God of Storm (갓 오브 스톰): Summons a storm of the wind god Sayha. Lightning strikes down nearby enemies with 448 power added to M. Atk. and and confines them within a whirlwind for 5s (5초간 폭풍에 구속시킨다). Subjects affected by a debuff take an additional 10% damage.
Fury of Sayha (퓨리 오브 사이하): For 30s reduces P./M. Crit. Dmg. taken by 50% and increases speed by 50. Enemies attacking you have a chance to have Sign of Storms Lv. 4 applied. Usable with Sword/Blunt.
Blessing of Sayha (블레스 오브 사이하): For 30s increases nearby party members' speed by 50 and Knockback/Knockdown/Pull/Yoke/Hate resistance by 50. Usable with Sword/Blunt.
Storm Rage (스톰 레이지): Causes a storm around oneself, attacking nearby enemies with 353 power added to M. Atk. and blowing them away (knockback?)(날려버린다).
Wind Hiding Place (윈드 하이딩 플레이스): Removes debuffs and hides in the wind for 10s, recovering HP and MP. Cannot move while under the effect. ("hiding place", seriously, not hideout or sanctuary or something...)
Headwind (헤드윈드): Switches one's own location with the location of the target (대상과 자신의 위치를 바꾼다)
Illusion Wind (일루젼 윈드): Removes debuffs and cannot be targeted for 10s.

Source: http://boards.rochand.com/