[Suggestion] Job Trait - Reduce spell cost/cast time after WS

[Madawc]

Dark Knight Job Ability.

Dark Rush: Reduces both the Cast Time and MP cost of the next spell.

*Dark Rush is obtained as a "charge" after using a weapon skill.
**Optionally Dark Rush may wear off after 30 seconds after a Weapin Skill.

Dark Rush I:
Casting time -15%, MP cost -15%
Obtained: Dark Knight Level 30

Dark Rush II:
Casting time -30%, MP cost -30%
Obtained: Dark Knight Level 45

Dark Rush III:
Casting time -45%, MP cost -45%
Obtained: Dark Knight Level 60

Dark Rush IV:
Casting time -60%, MP cost -60%
Obtained: Dark Knight Level 75

Dark Rush V:
Casting time -75%, MP cost -75%
Obtained: Dark Knight Level 90

This will help Dark Knight utilize all spells in its aresenal and get those Magic Bursts out after a skill chain.