
TheMonkeyFish |

So... I have a few questions to pose regarding Weapon Modifications and their potential uses in the game. The first question; What are the rules for purchasing Weapon Mods on Double Weapons? I.e.: Can I purchase Duel-Balanced on a Double Weapon, or do I have to purchase it separately on both sides of the weapon?
Second; do Double Weapons count as qualifying for Duel-Balanced Weaponry? I.e: purchasing a Monk Spade and adding Duel-Balanced, would it function with the double weapon and reduce the penalty of its attacks?
Lastly; Are Unchained Monks considered to be proficient with Monk Weapons that have received a Weapon Modification? I.e.: if a Monk were to purchase the Monk Spade and apply Duel-Balanced to it, would they then be required to take the Modified Weapon Proficiency or Weapon Adept?
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Are these assumptions correct?
(1) I'm unable to find any written RAW rules for this, so I presume that Double Weapons are either unable to have a Weapon Modification, or applying a Weapon Modification does not have additional costs for Double Weapons.
(2) Duel-Balanced specifically calls out "When wielding two weapons with the dual-balanced modification". Because Double Weapons are a single weapon, they do not qualify for this Weapon Modification bonus, am I correct?
(3) "A character proficient with a specific weapon is not automatically proficient with a modified weapon of that type." - Does this include the Monk's Weapon Proficiency with All Weapons that have the Monk Weapon type?
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I'm under an assumption that this doesn't work, but I wouldn't mind being pleasantly surprised. lol

dragonhunterq |

1&2) It is not covered by the rules. I would follow the masterwork rules for a double weapon and double the cost, applying the benefit to both sides. Sidesteps a lot of potential issues and is the fairest solution short of saying "no".
3) You are proficient with all monk weapons, not a specific weapon. A monk weapon remains a monk weapon, so you remain proficient.
Contrast with a rogue (for rapier) or cleric (with deities weapon) are proficient in a single specific weapon - so the rules ask a rogue "is it a rapier?" answer no it's a modified rapier. With a monk and a modified sai the rules ask "is it a monk weapon?" answer - yes. (brawlers can really benefit from weapon mods on a close weapon)

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So... I have a few questions to pose regarding Weapon Modifications and their potential uses in the game. The first question; What are the rules for purchasing Weapon Mods on Double Weapons? I.e.: Can I purchase Duel-Balanced on a Double Weapon, or do I have to purchase it separately on both sides of the weapon?
Second; do Double Weapons count as qualifying for Duel-Balanced Weaponry? I.e: purchasing a Monk Spade and adding Duel-Balanced, would it function with the double weapon and reduce the penalty of its attacks?
Lastly; Are Unchained Monks considered to be proficient with Monk Weapons that have received a Weapon Modification? I.e.: if a Monk were to purchase the Monk Spade and apply Duel-Balanced to it, would they then be required to take the Modified Weapon Proficiency or Weapon Adept?
---
Are these assumptions correct?
(1) I'm unable to find any written RAW rules for this, so I presume that Double Weapons are either unable to have a Weapon Modification, or applying a Weapon Modification does not have additional costs for Double Weapons.(2) Duel-Balanced specifically calls out "When wielding two weapons with the dual-balanced modification". Because Double Weapons are a single weapon, they do not qualify for this Weapon Modification bonus, am I correct?
(3) "A character proficient with a specific weapon is not automatically proficient with a modified weapon of that type." - Does this include the Monk's Weapon Proficiency with All Weapons that have the Monk Weapon type?
---I'm under an assumption that this doesn't work, but I wouldn't mind being pleasantly surprised. lol
#1 isn't specifically addressed in RAW. But RAW from masterwork double weapons costs double, and each end of a double weapon is enchanted separately leads me to conclude that Weapon modifications could apply to double weapons at double price seems to match RAI.
#2 Again not specifically called out. RAW seems to indicate no. I would house-rule this as yes because it seems to match RAI for double weapons functioning as if wielding two weapons. (feats like two weapon fighting, two weapon defense, wording for double weapons)
#3 I think is clearly a No. RAW states that the Monk weapon property does not include proficiency, only the ability to use flurry of blows with that weapon. The monk class specifically calls out weapon proficiencies by weapon. So RAW is clearly no.
RAI allows supports no. Further the modification states that it moves the weapon up a category for proficiency. To use a fighter as an example, he is proficient with all martial weapons, but modifying a longsword make proficiency requirement exotic. Clearly this makes RAI that this take a new profeincy to use a modified weapon.

Pink Dragon |
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PFSRD wrote:
"Monks are proficient with the club, crossbow (light or heavy), dagger, handaxe, javelin, kama, nunchaku, quarterstaff, sai, short sword, shortspear, shuriken, siangham, sling, spear, and any weapon with the monk special weapon quality."
Since a "monk weapon" that has received a Weapon Modification is still a weapon with the monk special weapon quality, Unchained Monks are still proficient with them.

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PFSRD wrote:
"Monks are proficient with the club, crossbow (light or heavy), dagger, handaxe, javelin, kama, nunchaku, quarterstaff, sai, short sword, shortspear, shuriken, siangham, sling, spear, and any weapon with the monk special weapon quality."
Since a "monk weapon" that has received a Weapon Modification is still a weapon with the monk special weapon quality, Unchained Monks are still proficient with them.
Apparently I missed the keyword unchained when I first read the question. I would have to agree with Pink Dragon that RAW would indicate yes for unchained monks and No for standard monks.