From Lineage 2 Encyclopaedia

Properties

Magic Impulse
Stirs up the magic urge to increase M. Atk. by 75%, Casting Spd. by 15%, and the chance of prominent magic damage by 100% for 15 seconds.
Class	Inspector
Type	buff
Attribute	-
Recast time	300 s
Cast time	2.5 s
Cast range	0
Classes with same skill	Inspector, Judicator

Skill Upgrade

Lvl. to Learn	Skill Lvl.	Description	MP Consume	HP Consume	SP
55	1	Stirs up the magic urge to increase M. Atk. by 75%, Casting Spd. by 15%, and the chance of prominent magic damage by 100% for 15 seconds.	100	0	89
62	2	Stirs up the magic urge to increase M. Atk. by 85%, Casting Spd. by 15%, and the chance of prominent magic damage by 200% for 15 seconds.	115	0	266
68	3	Stirs up the magic urge to increase M. Atk. by 95%, Casting Spd. by 15%, and the chance of prominent magic damage by 300% for 15 seconds.	127	0	632