Wall of Force vs spells


Rules Questions


Quote:


Wall of Force

Effect wall whose area is up to one 10-ft. square/level

A wall of force creates an invisible wall of pure force. The wall cannot move and is not easily destroyed. A wall of force is immune to dispel magic, although a mage's disjunction can still dispel it. A wall of force can be damaged by spells as normal, except for disintegrate, which automatically destroys it. It can be damaged by weapons and supernatural abilities, but a wall of force has hardness 30 and a number of hit points equal to 20 per caster level. Contact with a sphere of annihilation or rod of cancellation instantly destroys a wall of force.

Breath weapons and spells cannot pass through a wall of force in either direction, although dimension door, teleport, and similar effects can bypass the barrier. It blocks ethereal creatures as well as material ones (though ethereal creatures can usually circumvent the wall by going around it, through material floors and ceilings). Gaze attacks can operate through a wall of force.

I'm not sure if I understand the text for wall of force correctly and I hope to get clarification. The bold text above seems easy enough to understand for rays and templates like cones and lines such as burning hands or lightning bolt. It blocks line of effect and ends when it hits the wall of force.

My question is about other spells like cloudkill, feeblemind, baleful polymorph and so on.

1) Spread spells: Most spread templates just appear when the spell is cast. While the description of fireball says that a bead is flying prior to the explosion, I suppose it would crash against the wall of force and detonate early(?), but what about spreads that are not emanating but just appear like solid fog or cloudkill or a elemental bloodline sorcerers elemental blast?
Are those effect completely halted? Does it make a difference if the wall of force doesn't block completely (fighting out in the open or in a 15ft. high room with a 10 ft. wall of force)?

2) Spells that just target a creature: Does a feeblemind or baleful polymorph just smash against a wall of force and not effect anything behind it? Again, does it make a difference if the wall is not as high as the ceiling (can a target spell "hop over" or "go around" the wall of force if it isn't high or wide enough?

3) Form of the wall: There is no (S) for shapeable in the spell description, so can you only make a 10 ft. high straight wall or can you enclose it around yourself or someone else? Can you make it 20ft. high by building the wall squares atop one another?

That's all for now.
Thanks in advance.

Shadow Lodge

The wall blocks line of effect, so spells treat it as they would any other solid barrier despite being invisible. If a wall is shaped in such a way that a spread can flow around it, it does so.

The Exchange Owner - D20 Hobbies

Master of Shadows wrote:
The wall blocks line of effect, so spells treat it as they would any other solid barrier despite being invisible. If a wall is shaped in such a way that a spread can flow around it, it does so.

+1


Master of Shadows wrote:
The wall blocks line of effect, so spells treat it as they would any other solid barrier despite being invisible. If a wall is shaped in such a way that a spread can flow around it, it does so.

Is it just spreads that can go around or also target spells?

Let's say there is a dungeon with a 15 ft. high ceiling and a wizard casts wall of force, can the enemy wizard cast feeblemind or polymorph?

In a dungeon with a 10 ft. high ceiling and a wall of force, no spell cann get through?

Shadow Lodge

If you draw a straight line from a corner of the casters square, to a corner the target's square, and that line passes through a wall of force, them the caster does not have line of effect because it is blocked by the wall.

The Exchange Owner - D20 Hobbies

McBaine wrote:
Is it just spreads that can go around or also target spells?

All non-spread effects have a line that goes from you to the target or the area. If any of that is obstructed, then the spell fails.

Shadow Lodge

The only spells that do not account for this line of effect are those called out in wall of forces description, and even spread effects typically have a point of origin, either the intersection of squares at the mid point of the spells diameter, or the narrow end point of the cone. I would rule that the spell could not be cast in such a way that either of these points is on the far side of the wall from the caster, even if the area of the spread meant that it could flow around or over the wall.


Okay, got it now. Thanks.

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