Decrease their Will saves?

[Particle_Man]

Poison use isn't an inherently evil act (or it would seem the poison spell and cloudkill would have evil descriptors) but it's definitely seen as "evil" in most cultures. At the least it's largely seen as unlawful.

I'd say it's definitely going to be a major issue in a campaign with Paladins or LG/NG clerics but might not be seen as evil in a game with druids and rangers as poisons are usually made of natural venoms and components.

Book of Exalted Deeds has apparently pain-free "good" poisons that only work on evil people, called Ravages (I think). I imagine one of them does wisdom damage.

Oh, and the Hexblade's Curse and their Dark Companion (a la PHB II character options) reduce saves, and the latter gives no save vs. the save penalty.

 

[Dannyalcatraz]

1) Homebrew critter that does Wis damage.

2) Soulknife's Knife to the Soul ability can damage Int, Wis, or Cha by giving up some or all of his additonal Psychic Strike damage dice. Other class powers (Throw Mindblade), Feats (Mind Daggers from Dragon #341), and certain PrCls (Soul Bow) allow this ability to be used at various ranges.

3) The psionic weapon power, Mindcrusher, can do Wisdom damage to Psionic PCs.

 

[Kmart Kommando]

Lamia does Wis damage

 

[Plane Sailing]

Using a Will save effect to reduce someone's Will save is often of dubious value - if you can land the Will reducer, then you could have landed the real attack.

QFT. I've never seen Mind Fog used for this very reason.

 

[frankthedm]

Allip does wisdom drain on a touuch and can be summoned with summon undead 5.

Of course since that spell gives you mental command over the allip, actually using that mental command will damage your OWN wisdom.

 

[kjenks]

If you can inflict the sickened status or any of the fear status effects, it will give them a penalty to all their saves. It's an actual use for Doom!

The Fear spell gives each living creature in the area -2 on their Will saves. Your buddies are immune because you all eat Heroes' Feast every day. (Right?)

The one-round duration of the shaken-no-save effect expires just before your next turn, so Quicken Spell + Fear will help you this round.

SRD
===
Fear
Necromancy [Fear, Mind-Affecting]
Level: Brd 3, Sor/Wiz 4
Components: V, S, M
Casting Time: 1 standard action
Range: 30 ft.
Area: Cone-shaped burst
Duration: 1 round/level or 1 round; see text
Saving Throw: Will partial
Spell Resistance: Yes

An invisible cone of terror causes each living creature in the area to become panicked unless it succeeds on a Will save. If cornered, a panicked creature begins cowering. If the Will save succeeds, the creature is shaken for 1 round.
Material Component: Either the heart of a hen or a white feather.
===
Shaken: Characters who are shaken take a –2 penalty on attack rolls, saving throws, skill checks, and ability checks.
[...]
Panicked: Characters who are panicked are shaken, and they run away from the source of their fear as quickly as they can. Other than running away from the source, their path is random. They flee from all other dangers that confront them rather than facing those dangers. Panicked characters cower if they are prevented from fleeing.
===

 

[Kurotowa]

The Fear spell gives each living creature in the area -2 on their Will saves. Your buddies are immune because you all eat Heroes' Feast every day. (Right?)

As a follow up, Crushing Despair has the same -2 penalty but isn't actually a fear spell. So that's another hex spell you can layer on.

Also, I have to disagree with those who say that using an effect with a Will save to lower the target's Will save is pointless. Sometimes you have an important effect with a low DC. Sometimes time isn't a constraint and it's worthwhile to soften up a prisoner. Often the effort isn't worth the return, but it's good to see what options there are.

 

[Patryn of Elvenshae]

Using a Will save effect to reduce someone's Will save is often of dubious value - if you can land the Will reducer, then you could have landed the real attack.

That's true if and only if you're talking about a solo, mano-a-mano kind of situation.

It is sometimes of value for the Enchantment-focused wizard to mind fog a large group as a preparatory step so that other casters may benefit from the reduced saves.

 

[hanniball]

A hit from the Sword of Deception spell (Complete Arcane) provides a cumulative -1 penalty on the opponents next saving throw.

Limited Wish can be used to grant a -7 penalty to your opponents next save. Well worth the XP in certain situations.

Using a Will save effect to reduce someone's Will save is often of dubious value - if you can land the Will reducer, then you could have landed the real attack.

Mind Fog affects a very large area over an extended period of time. This can be useful if attempting to Charm, Dominate, or trick via Illusions large groups of enemies.

Either way...just my 2 cp