Arcane Pool and Magic Weapon(Spell)


Rules Questions


Magus Arcane Pool wrote:

At 1st level, a magus can expend 1 point from his arcane pool as a swift action to grant any weapon he is holding a +1 enhancement bonus for 1 minute. [...] At 5th level, these bonuses can be used to add any of the following weapon properties: dancing, flaming, flaming burst, frost, icy burst, keen, shock, shocking burst, speed, or vorpal.

Adding these properties consumes an amount of bonus equal to the property’s base price modifier. These properties are added to any the weapon already has, but duplicates do not stack. If the weapon is not magical, at least a +1 enhancement bonus must be added before any other properties can be added.

Magic Weapon (Spell) wrote:
Magic weapon gives a weapon a +1 enhancement bonus on attack and damage rolls. An enhancement bonus does not stack with a masterwork weapon's +1 bonus on attack rolls.

If I have a non-magical Rapier, can I cast Magic Weapon on it, then use my Arcane Pool to make it Keen?

If so, what happens if the Magic Weapon spell effect ends before the Arcane Pool enhancement does?


1. Yes, though you need to be 5th level (but since you get to add +2 then, you could do Keen/Frost or some such).

2. The weapon is no longer a legal target, so the pool's bonus should lapse.

Liberty's Edge

Casting Magic Weapon does not make the weapon into a magic weapon, it grants an enhancement bonus to attack and damage and allows it to bypass DR/magic. Arcane pool would still have to use up +1 of its bonus before adding bonus equivalents.

Grand Lodge

1. yes

2. The weapon is no longer eligible for the enchantment so it goes away with the spell.


StabbittyDoom wrote:
Casting Magic Weapon does not make the weapon into a magic weapon, it grants an enhancement bonus to attack and damage and allows it to bypass DR/magic. Arcane pool would still have to use up +1 of its bonus before adding bonus equivalents.

"magical" is defined by that enhancement bonus.


Okay, cool. I guess I'll just be careful and make sure I don't use Arcane Pool when my duration is almost up. Thanks everyone!

Liberty's Edge

kestral287 wrote:
StabbittyDoom wrote:
Casting Magic Weapon does not make the weapon into a magic weapon, it grants an enhancement bonus to attack and damage and allows it to bypass DR/magic. Arcane pool would still have to use up +1 of its bonus before adding bonus equivalents.
"magical" is defined by that enhancement bonus.

There is a difference between a magical item and item with magic cast upon it. A lot of differences, actually. Permanence, cost, effect, dispellibility, targeting requirements, how it interacts with all sorts of one-off rules like arcane pool, etc.

In this case, Arcane Pool wants a magical weapon. A non-magical longsword is not made into a magic item when you cast Magic Weapon upon it. It is a non-magical weapon that is buffed to have a +1 enhancement bonus to attack and damage and bypass DR/magic. That's it. No hardness increase, no hit point increase, no resistance to various effects that target mundane items (e.g. shatter), nothing. Just what's listed and nothing more.

Considering the relatively low cost of a +1 weapon, this isn't actually a big deal in this case.


StabbittyDoom wrote:
kestral287 wrote:
StabbittyDoom wrote:
Casting Magic Weapon does not make the weapon into a magic weapon, it grants an enhancement bonus to attack and damage and allows it to bypass DR/magic. Arcane pool would still have to use up +1 of its bonus before adding bonus equivalents.
"magical" is defined by that enhancement bonus.

There is a difference between a magical item and item with magic cast upon it. A lot of differences, actually. Permanence, cost, effect, dispellibility, targeting requirements, how it interacts with all sorts of one-off rules like arcane pool, etc.

In this case, Arcane Pool wants a magical weapon. A non-magical longsword is not made into a magic item when you cast Magic Weapon upon it. It is a non-magical weapon that is buffed to have a +1 enhancement bonus to attack and damage and bypass DR/magic. That's it. No hardness increase, no hit point increase, no resistance to various effects that target mundane items (e.g. shatter), nothing. Just what's listed and nothing more.

Considering the relatively low cost of a +1 weapon, this isn't actually a big deal in this case.

Of course the Magic Weapon spell makes weapons magical. The hidden clue is the name of the spell. The spell isn't granting a +1 masterwork bonus; it's a magical bonus. That's why it lets you ignore DR/magic.

Adding a +1 enhancement from your Arcane Pool doesn't grant a hardness increase, a hit point increase, or a resistance to various effects that target mundane items either. By your argument that would mean that using Arcane Pool to add a +1 enhancement shouldn't enable the weapon to qualify as magic for adding other Arcane Pool special abilities. But it does.

The spell doesn't turn your weapon into a permanent magic weapon, but while it lasts, the weapon is a magic weapon.


StabbittyDoom wrote:
kestral287 wrote:
StabbittyDoom wrote:
Casting Magic Weapon does not make the weapon into a magic weapon, it grants an enhancement bonus to attack and damage and allows it to bypass DR/magic. Arcane pool would still have to use up +1 of its bonus before adding bonus equivalents.
"magical" is defined by that enhancement bonus.

There is a difference between a magical item and item with magic cast upon it. A lot of differences, actually. Permanence, cost, effect, dispellibility, targeting requirements, how it interacts with all sorts of one-off rules like arcane pool, etc.

In this case, Arcane Pool wants a magical weapon. A non-magical longsword is not made into a magic item when you cast Magic Weapon upon it. It is a non-magical weapon that is buffed to have a +1 enhancement bonus to attack and damage and bypass DR/magic. That's it. No hardness increase, no hit point increase, no resistance to various effects that target mundane items (e.g. shatter), nothing. Just what's listed and nothing more.

Considering the relatively low cost of a +1 weapon, this isn't actually a big deal in this case.

Can I get a rules citation on that?

Grand Lodge

kestral287 wrote:
StabbittyDoom wrote:
kestral287 wrote:
StabbittyDoom wrote:
Casting Magic Weapon does not make the weapon into a magic weapon, it grants an enhancement bonus to attack and damage and allows it to bypass DR/magic. Arcane pool would still have to use up +1 of its bonus before adding bonus equivalents.
"magical" is defined by that enhancement bonus.

There is a difference between a magical item and item with magic cast upon it. A lot of differences, actually. Permanence, cost, effect, dispellibility, targeting requirements, how it interacts with all sorts of one-off rules like arcane pool, etc.

In this case, Arcane Pool wants a magical weapon. A non-magical longsword is not made into a magic item when you cast Magic Weapon upon it. It is a non-magical weapon that is buffed to have a +1 enhancement bonus to attack and damage and bypass DR/magic. That's it. No hardness increase, no hit point increase, no resistance to various effects that target mundane items (e.g. shatter), nothing. Just what's listed and nothing more.

Considering the relatively low cost of a +1 weapon, this isn't actually a big deal in this case.

Can I get a rules citation on that?

There isn't one. Nor is there actually a direct citation in support of what you want to do. Both positions come down to GM discretion.


LazarX wrote:
kestral287 wrote:
StabbittyDoom wrote:
kestral287 wrote:
StabbittyDoom wrote:
Casting Magic Weapon does not make the weapon into a magic weapon, it grants an enhancement bonus to attack and damage and allows it to bypass DR/magic. Arcane pool would still have to use up +1 of its bonus before adding bonus equivalents.
"magical" is defined by that enhancement bonus.

There is a difference between a magical item and item with magic cast upon it. A lot of differences, actually. Permanence, cost, effect, dispellibility, targeting requirements, how it interacts with all sorts of one-off rules like arcane pool, etc.

In this case, Arcane Pool wants a magical weapon. A non-magical longsword is not made into a magic item when you cast Magic Weapon upon it. It is a non-magical weapon that is buffed to have a +1 enhancement bonus to attack and damage and bypass DR/magic. That's it. No hardness increase, no hit point increase, no resistance to various effects that target mundane items (e.g. shatter), nothing. Just what's listed and nothing more.

Considering the relatively low cost of a +1 weapon, this isn't actually a big deal in this case.

Can I get a rules citation on that?
There isn't one. Nor is there actually a direct citation in support of what you want to do. Both positions come down to GM discretion.

I had asked my GM, who told me to check the forums. I think enough people agree that Magic Weapon counts as the prerequisite that we're going to roll with that, though.

RPG Superstar Season 9 Top 16

By definition, a +1 weapon is a magical weapon.

Damage Reduction Rules wrote:
Some monsters are vulnerable to magic weapons. Any weapon with at least a +1 magical enhancement bonus on attack and damage rolls overcomes the damage reduction of these monsters. Such creatures’ natural weapons (but not their attacks with weapons) are treated as magic weapons for the purpose of overcoming damage reduction.


Cyrad wrote:

By definition, a +1 weapon is a magical weapon.

Damage Reduction Rules wrote:
Some monsters are vulnerable to magic weapons. Any weapon with at least a +1 magical enhancement bonus on attack and damage rolls overcomes the damage reduction of these monsters. Such creatures’ natural weapons (but not their attacks with weapons) are treated as magic weapons for the purpose of overcoming damage reduction.

Ah, even better!


Cyrad wrote:

By definition, a +1 weapon is a magical weapon.

Damage Reduction Rules wrote:
Some monsters are vulnerable to magic weapons. Any weapon with at least a +1 magical enhancement bonus on attack and damage rolls overcomes the damage reduction of these monsters. Such creatures’ natural weapons (but not their attacks with weapons) are treated as magic weapons for the purpose of overcoming damage reduction.

but the rest of the rules rigth after your quote tell us that greater magic weapon is not enough to simulate higher bonusses?

Edit: that was in the spell greater magic weapon.

RPG Superstar Season 9 Top 16

Cap. Darling wrote:
Cyrad wrote:

By definition, a +1 weapon is a magical weapon.

Damage Reduction Rules wrote:
Some monsters are vulnerable to magic weapons. Any weapon with at least a +1 magical enhancement bonus on attack and damage rolls overcomes the damage reduction of these monsters. Such creatures’ natural weapons (but not their attacks with weapons) are treated as magic weapons for the purpose of overcoming damage reduction.

but the rest of the rules rigth after your quote tell us that greater magic weapon is not enough to simulate higher bonusses?

Edit: that was in the spell greater magic weapon.

That line from greater magic weapon refers to using enhancement bonuses to bypass DR/cold iron, DR/silver, etc. The devs added that line to the spell because otherwise players could abuse the spell to bypass any damage reduction, which wasn't the intent of the spell. This is independent from the rule about magical weapons against DR/magic. Even 3.5e defined +1 weapons as magic weapons that bypassed DR/magic.


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There are more than enough instances where exact same rules wording from 3.5 and PFRPG lead to different results. 3.5 means nothing in PFRPG, don't ever rely on it. Just throwing that out there.

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Skylancer4 wrote:
There are more than enough instances where exact same rules wording from 3.5 and PFRPG lead to different results. 3.5 means nothing in PFRPG, don't ever rely on it. Just throwing that out there.

Not quite relevant to my point at all. Even so, you can get an insight to the rules and design decisions of the devs by looking at where Pathfinder and 3.5 differ and where they share rules text.


It is relevant in so much as identical rules have had completely contrary rulings. Intent is something you, nor I, or anybody besides the Dev team can declare on the forums. Even individuals who work there have often said they don't agree with what ends up being "official" when asked prior to what is declared in FAQs or errata.

The point to be taken away from this is, don't rely on 3.5. Which is relevant to your statement, because you made the comparison.

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