From Lineage 2 Encyclopaedia

Properties

Seal of Winter
Decreases Atk. Spd. of nearby enemies by 23% for 30 seconds.
Class	Overlord
Type	debuff
Attribute	-
Recast time	2 s
Cast time	1.5 s
Cast range	0
Classes with same skill	Overlord, Dominator

Skill Upgrade

Lvl. to Learn	Skill Lvl.	Description	MP Consume	HP Consume	SP
40	1	Decreases Atk. Spd. of nearby enemies by 23% for 30 seconds.	53	0	30
44	2	Decreases Atk. Spd. of nearby enemies by 23% for 30 seconds.	59	0	37
48	3	Decreases Atk. Spd. of nearby enemies by 23% for 30 seconds.	65	0	67
52	4	Decreases Atk. Spd. of nearby enemies by 23% for 30 seconds.	70	0	96
56	5	Decreases Atk. Spd. of nearby enemies by 23% for 30 seconds.	77	0	105
58	6	Decreases Atk. Spd. of nearby enemies by 23% for 30 seconds.	80	0	121
60	7	Decreases Atk. Spd. of nearby enemies by 23% for 30 seconds.	83	0	151
62	8	Decreases Atk. Spd. of nearby enemies by 23% for 30 seconds.	87	0	200
64	9	Decreases Atk. Spd. of nearby enemies by 23% for 30 seconds.	89	0	210
66	10	Decreases Atk. Spd. of nearby enemies by 23% for 30 seconds.	93	0	310
68	11	Decreases Atk. Spd. of nearby enemies by 23% for 30 seconds.	95	0	478
70	12	Decreases Atk. Spd. of nearby enemies by 23% for 30 seconds.	98	0	711
72	13	Decreases Atk. Spd. of nearby enemies by 23% for 30 seconds.	100	0	748
74	14	Decreases Atk. Spd. of nearby enemies by 23% for 30 seconds.	103	0	1000