Grease

From HGWiki

Caster Level(s): Assassin 1, Bard 1, Druid 1, Ranger 1, Wizard / Sorcerer 1

Innate Level: 1

School: Conjuration

Descriptor(s):

Component(s): Verbal, Somatic

Range: Short

Area of Effect / Target: Medium

Duration: 2 Rounds + 1 / 3 Levels

Additional Counter Spells: Freedom of Movement

Save: Reflex

Spell Resistance: Yes, (No at Level 41+)

Description: A churning field of oil and grease fills the target area, causing all within to either fall down or move at a reduced speed. The spell receives a +1 DC bonus per spell focus feat in Conjuration.

Notes

The speed reduction is 50%, and this is applied upon entering the area of effect. (So, for example, having freedom when entering the area of effect negates the speed reduction, even if freedom is lost while in the affected area.) There is no saving throw for this aspect of the spell (but spell resistance does apply).
The chance of falling down occurs every six seconds, independent of whether or not the speed reduction was effective. Spell resistance does not protect from this; staying on one's feet requires passing the saving throw (or immunity to knockdown).
Creatures with woodland stride are immune to this spell but due to a bug, incorporeal creatures are not.