Oblivion:Weakness to Poison

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	Weakness to Poison
School		Destruction
Type		Offensive
Effect ID		WKPO
Base Cost		0.1
Barter Factor		0
Availability (Click on any item for details)
Spells Scrolls

Weakness to Poison M% for D seconds

Weakness to Poison increases the strength of subsequent poisons by M%; the effect lasts for D seconds. All effects that can be applied using a poison are affected by weakness to poison. For most poisons, the magnitude of the poison is increased by M% and the poison's duration is unaltered. For example, a target with Weakness to Poison 50% active will suffer 15 points of damage from a Poison of Illness, instead of the usual 10 points. For Silence and Paralyze effects, however, the duration of the poison is increased by M% (these effects do not have a magnitude).

The Weakness to Poison effect must be active before the poison for it to have an effect. In other words, you must first fire an arrow with a Weakness to Poison effect, then fire a second arrow with the poison; combining the two in one arrow shot will not work as intended.

However, the effect will last for the entire duration of any poison. Therefore, if you hit someone with a Weakness to Poison 50% for 10 seconds effect, then immediately follow that with Damage Health 4 points for 15 seconds, 90 points of damage will be done (even though the weakness effect expires before the damage effect).

[edit] Notes

Ogres are the only creatures that have a natural Weakness to Poison (25%).
Will-o-the-Wisps, Frost Atronachs, Storm Atronachs, and all Undead have 100% resistance to poison (immunity). Thus, casting weakness spells against these creatures can be helpful.
Weakness to Poison will increase the damage caused by elemental damage poisons, i.e., Fire Damage, Frost Damage, and Shock Damage poisons, but it will not affect elemental damage spells. Elemental damage will also be altered by any active elemental weaknesses or resistances (e.g., Weakness to Fire or Resist Fire). The total damage is determined by multiplying the weakness effects; see Resistances and Weaknesses for more information.

[edit] See also

Sections:

Poisons: Available poisons in the game
Alchemy: Learn to make your own poisons
Resistances and Weaknesses: General information on how resistances and weaknesses interact.