I have several questions about Prismatic Sphere/Wall.
1. Is the wall a solid object? As in, if you run into it, and somehow successfully save against all the effects, do you end up on the other side, or are you still on the same side of the wall you started your turn on?
2. If the wall is a nonsolid object, what happens if you end your turn inside one, or between it? Are you affected by it on the next round, or only if your move out of it?
3. What happens when a creature with reach tries to attack through the wall? does it need to make 8 saves every time it's claws reach through the wall?
4. What happens with a creature with spell resistance tries to attack through a wall? If the caster fails their caster level check against the creature's spell resistance, is the creature no longer affected by that layer of the wall, or does the caster need to still roll caster level checks for that layer the next time the creature tries to attack through the barrier?
Text below I'll be referencing (in the spoiler):
1. "Violet Energy field destroys all objects and effects.*
Creatures sent to another plane (Will negates)" This is the 7th layer and thus makes the wall impassible to anything other than the caster. A creature *can* attempt to save against every color of the wall, and if so doing can pass through - however note here that only creatures get a save against Violet - objects and effects do not. They would essentially be nude when they made it to the other side.
2. Assuming you were alive and ended your turn *inside* one - you would be subject to the same saves and effects at the start of your next turn.
3. Yes - note above on objects or effects - if it has any ongoing spells or buffs they would be stripped even if it saved.
4. Spell resistance is rolled once per creature per spell. The wall is special in that the caster gets to make a SR check *per* wall color - but if the check fails the creature ignores that color for the duration of the spell.
School abjuration; Level sorcerer/wizard 8
Casting Time 1 standard action
Components V, S
Range close (25 ft. + 5 ft./2 levels)
Effect wall 4 ft./level wide, 2 ft./level high
Duration 10 min./level (D)
Saving Throw see text; Spell Resistance see text
Prismatic wall creates a vertical, opaque wall—a shimmering, multicolored plane of light that protects you from all forms of attack. The wall flashes with seven colors, each of which has a distinct power and purpose. The wall is immobile, and you can pass through and remain near the wall without harm. Any other creature with less than 8 HD that is within 20 feet of the wall is blinded by the colors for 2d4 rounds if it looks at the wall.
The wall's maximum proportions are 4 feet wide per caster level and 2 feet high per caster level. A prismatic wall spell cast to materialize in a space occupied by a creature is disrupted, and the spell is wasted.
Each color in the wall has a special effect. The accompanying table shows the seven colors of the wall, the order in which they appear, their effects on creatures trying to attack you or pass through the wall, and the magic needed to negate each color.
The wall can be destroyed, color by color, in consecutive order, by casting the specified spells on the wall; however, the first color must be brought down before the second can be affected, and so on. A rod of cancellation or a mage's disjunction spell destroys a prismatic wall, but an antimagic field fails to penetrate it. Dispel magic and greater dispel magic can only be used on the wall once all the other colors have been destroyed. Spell resistance is effective against a prismatic wall, but the caster level check must be repeated for each color present.
Prismatic wall can be made permanent with a permanency spell.
Prismatic Wall Order Color Effect of Color Negated by
1st Red Stops nonmagical ranged weapons.
Deals 20 points of fire damage (Reflex half). Cone of cold
2nd Orange Stops magical ranged weapons.
Deals 40 points of acid damage (Reflex half). Gust of wind
3rd Yellow Stops poisons, gases, and petrification.
Deals 80 points of electricity damage (Reflex half). Disintegrate
4th Green Stops breath weapons.
Poison (frequency: 1/rd. for 6 rd.; init. effect: death, sec. effect: 1 Con/rd.; cure 2 consecutive Fort saves). Passwall
5th Blue Stops divination and mental attacks.
Turned to stone (Fortitude negates). Magic missile
6th Indigo Stops all spells.
Will save or become insane (as insanity spell). Daylight
7th Violet Energy field destroys all objects and effects.*
Creatures sent to another plane (Will negates). Dispel magic or greater dispel magic
* The violet effect makes the special effects of the other six colors redundant, but these six effects are included here because certain magic items can create prismatic effects one color at a time, and spell resistance might render some colors ineffective (see above).
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1. "Violet Energy field destroys all objects and effects.*
Creatures sent to another plane (Will negates)" This is the 7th layer and thus makes the wall impassible to anything other than the caster. A creature *can* attempt to save against every color of the wall, and if so doing can pass through - however note here that only creatures get a save against Violet - objects and effects do not. They would essentially be nude when they made it to the other side.
Usually a creature equipment is treated as part of the creature, not as separate objects.
Agree with Diego. Worn gear is not effected.
After doing some research I think Diego is correct - while not 'the rules guy' here is a nice quote:
Objects, in this case, refers to nonmagical non-living things that are used to try to breach the wall. Like thrown rocks, thrown tables, arrows, catapult boulders, and so on. Any objects or items or whatever that are "attended" (as in, carried or worn by a creature) are NOT destroyed, but travel with the person carrying/holding them off to whatever other plane that person ends up going to. If the person makes their Will save to avoid being sent to another plane, he can stroll right on through the wall with all his stuff intact.
Allowing prismatic wall to automatically destroy every object that passes through it, in other words, IS a bit excessive. The intent of the spell is to prevent anyone from making ranged attacks with weapons or spells or abilities against those on he other side, basically, not to provide a static disintegration wall. The limitations of the table format forced us to be a bit more brief than we should have been in describing it, alas.
Artifacts can't be destroyed by a prismatic wall unless the Destruction line of the artifact says otherwise.
So if you make all the saves you can get through. Mind you with all the saves you have around a 30% chance to roll a 1.