3e SRD:Prismatic Sphere

The character conjures up an immobile, opaque globe of shimmering, multicolored light that surrounds the character and protects the character from all forms of attack. The sphere flashes in all colors of the visible spectrum. The sphere flashes with seven colors, each of which has a distinct power and purpose. The sphere is immobile, and the character can pass through and remain near the sphere without harm.

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Prismatic Sphere

Abjuration
Level:	Protection 9, Sor/Wiz 9, Sun 9
Components:	V
Casting time:	1 action
Range:	10 ft.
Effect:	10-ft.-radius sphere centered on the character
Duration:	10 minutes/level
Saving Throw:	See text
Spell Resistance:	See text

When the character is inside the sphere, the sphere blocks any attempt to project something through the sphere (including spells). Other creatures who attempt to attack the character or pass through suffer the effects of each color, one at a time.

Typically, only the upper hemisphere of the globe will exist, since the character is at the center of the sphere, so the lower half is usually excluded by the floor surface the character is standing on.

Any creature with fewer than 8 HD that is within 20 feet of the sphere is blinded for 2d4 x 10 minutes by the colors if it looks at the wall.

Each color in the sphere has a special effect. The accompanying table shows the seven colors of the sphere, the order in which they appear, their effects on creatures trying to attack the character or pass through the sphere, and the magic needed to negate each color.

The sphere can be destroyed, color by color, in consecutive order, by various magical effects; however, the first must be brought down before the second can be affected, and so on. A rod of cancellation or a disjunction spell destroys a prismatic sphere, but an antimagic field fails to penetrate it. Dispel magic and greater dispelling cannot dispel the sphere or anything within it. Spell resistance is effective against a prismatic sphere, but the caster level check must be repeated for each color present.

Color	Order	Effect of Color	Negated By
Red	1st	Stops nonmagical ranged weapons Deals 20 ponts of fire damage (Reflex half)	Cone of Cold
Orange	2nd	Stops magical ranged weapons Deals 40 points of acid damage (Reflex half)	Gust of Wind
Yellow	3rd	Stops poisons, gases, and petrification Deals 80 points of electricity damage (Reflex half)	Disintegrate
Green	4th	Stops breath weapons Poison (Kills; Fortitude partial to take 20 points of damage instead)	Passwall
Blue	5th	Stops divination and mental attacks Turned to stone (Fortitude negates)	Magic Missile
Indigo	6th	Stops all spells Will save or become insane (as insanity spell)	Daylight
Violet	7th	Energy field destroys all objects and effects Creatures sent to another plane (Will negates)	Dispel Magic
The violet effect makes the special effects of the other six colors redundant, but they are included here because certain magic items can create prismatic effects one color at a time, and SR might render some colors ineffective (see above).

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