From Lineage 2 Encyclopaedia

Properties

Curse Poison
Poisons the enemy For 30 sec., causing loss of 21 HP every second.
Class	Spellhowler
Type	debuff
Attribute	-
Recast time	3 s
Cast time	4 s
Cast range	600
Classes with same skill	Human Mystic, Wizard, Sorcerer, Necromancer, Warlock, Cleric, Bishop, Prophet, Dark Mystic, Dark Wizard, Spellhowler, Phantom Summoner, Shillien Oracle, Shillien Elder, Archmage, Soultaker, Arcana Lord, Cardinal, Hierophant, Storm Screamer, Spectral Master, Shillien Saint

Skill Upgrade

Lvl. to Learn	Skill Lvl.	Description	MP Consume	HP Consume	SP
7	1	Poisons the enemy For 30 sec., causing loss of 21 HP every second.	10	0	1
20	2	Poisons the enemy For 30 sec., causing loss of 24 HP every second.	20	0	4
30	3	Poisons the enemy For 30 sec., causing loss of 32 HP every second.	27	0	9
44	4	Poisons the enemy For 30 sec., causing loss of 41 HP every second.	39	0	37
52	5	Poisons the enemy For 30 sec., causing loss of 50 HP every second.	48	0	96
62	6	Poisons the enemy For 30 sec., causing loss of 58 HP every second.	58	0	200
72	7	Poisons the enemy For 30 sec., causing loss of 63 HP every second.	67	0	748