Burning web spell, how does the fire spread


Rules Questions


1 person marked this as FAQ candidate.

I have always accepted the convention that it burns outward 5 feet a round, but our GM is saying it only burns in a single 5 foot square a round. he rolls randomly for the square that ignites after the first which seams counter to the idea that webs are highly flammable. and generally how fire spreads when in contact with highly flammable objects.

Shadow Lodge

I think your GM might be thinking of this line

Web wrote:
Any fire can set the webs alight and burn away one 5-foot square in 1 round.

Which implies that only 1 5-foot square burns each round. I can't seem to find the actual rules for fires spreading though.


EvilPaladin wrote:
I think your GM might be thinking of this line
Web wrote:
Any fire can set the webs alight and burn away one 5-foot square in 1 round.
Which implies that only 1 5-foot square burns each round. I can't seem to find the actual rules for fires spreading though.

Webs don't generally combust on their own (like the previous versions), they can be burned away by an outside fire source.

Silver Crusade

PRD on Web

PRD wrote:
The strands of a web spell are flammable. A flaming weapon can slash them away as easily as a hand brushes away cobwebs. Any fire can set the webs alight and burn away one 5-foot square in 1 round. All creatures within flaming webs take 2d4 points of fire damage from the flames.

Flammable means something is very easy to catch fire, unlike combustible where, with work, you can make it burn.

We have always played that if a web square is adjacent to another burning square (or other fire source), it will burn on the following round. This spreads one 5-foot square in 1 round, as the rule states. The square burns a single round, lights other squares adjacent, and then it is out, burned away.


Have you seen webs burn? They don't. Like silk they melt and collapse, but they don't continue to burn. Flammable doesn't have a PF definition, so you have to revert to a real world definition:

Quote:

flam·ma·ble [flam-uh-buhl] Show IPA

adjective
easily set on fire; combustible; inflammable.

It can be sent on fire, but doesn't have to catch other things on fire, even other connected webs.

In the previous versions of web, from earlier D+D editions, the webs from the spell did what you're describing.


Quote:
The strands of a web spell are flammable. A flaming weapon can slash them away as easily as a hand brushes away cobwebs. Any fire can set the webs alight and burn away one 5-foot square in 1 round. Web Spell

If any fire can set the webs alight and burn away a one 5-foot square in 1 round. Then when the flames from the first 5' square burn to the edge of said square they should catch on fire the adjacent squares that are filled with webs.

Thus if a Mr. # sets fire to the first square in the web filled room below it burns up in 5 rounds.
-----#-----
|543212345|
|543222345|
|543333345|
|544444445|
|555555555|
-----------


My interpretation of RAW is that you have to burn every square on its own.
I handle it that every square subject to fire burns free in that round. So a torch would clear 1 5ft square while a burning hands spell would burn all the squares it affects.


My2Copper wrote:

My interpretation of RAW is that you have to burn every square on its own.

I handle it that every square subject to fire burns free in that round. So a torch would clear 1 5ft square while a burning hands spell would burn all the squares it affects.

RAW I have to agree with My2Copper. The 5ft square would be not be a random square but the one you set on fire.


I'm with Kwauss and My2Copper. The fire doesn't spread.

Nothing in the description indicates it does. Real world examples do not do so either.

Applying a fire source burns one five foot section, and that's it.
If you want more sections to burn, you have to reapply the fire source.

The web itself does not provide said source.


Kwauss wrote:

Have you seen webs burn? They don't. Like silk they melt and collapse, but they don't continue to burn. Flammable doesn't have a PF definition, so you have to revert to a real world definition:

Quote:

flam·ma·ble [flam-uh-buhl] Show IPA

adjective
easily set on fire; combustible; inflammable.

It can be sent on fire, but doesn't have to catch other things on fire, even other connected webs.

In the previous versions of web, from earlier D+D editions, the webs from the spell did what you're describing.

Has anyone ever seen an entire 5 foot cube of webs caught on fire?

I bet not.

I have seen a piece of straw catch on fire not much happened to the surrounding area. I have seen a bale of hay catch on fire. And yeah it affected things nearby.

Just saying.

The Exchange

Pathfinder Rulebook Subscriber

the other interpretation of the spell, is that the webs burn that round in that 5 ft square, but don't spread to other squares. so with a lit candle, you could walk through a web spell, and burn the square ahead of you each round? just devil's adovcating.


I think the people that are advocating that the web spell is not violently flammable because "webs just do not burn that way" are not taking into consideration that the web spell isn't just a small spider web, its huge and MORE than enough to entangle and trap humans so each strand has to be larger and there has to be more than just a simple web but a rough tangle of strands because it grants concealment.

I agree that a mundane web would not catch fire, but this isn't just a mundane little web. otherwise it wouldn't do damage when it burned away. heat enough to generate 2d4 makes the fire hotter than a campfire which only does 1d6 that kind of heat should ignite anything flammable next to it especially if its in contact such as the surrounding squares of web.

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