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Check for support
What platform are you running Path of Building on?
Windows
What is the behaviour in-game?
In game, Windburst can be supported by Nightblade just fine, as seen in the screenshot.
What is the behaviour in Path of Building?
Nightblade Support appears to be treated as incompatible with Windburst, so none of Nightblade's modifiers are applied to Windburst in PoB.
Windburst is an Attack and does not appear to have an intrinsic weapon restriction. Nightblade supports Attack skills and imposes a Claw/Dagger weapon restriction.
With a Claw or Dagger equipped, I would therefore expect Nightblade to support Windburst. Instead, adding/removing Nightblade causes no change to Windburst's calculated stats.
This appears to come from canGrantedEffectSupportActiveSkill() in src/Modules/CalcTools.lua.
Weapon-restricted supports currently appear to require the active skill itself to contain a weaponTypes table:
if grantedEffect.weaponTypes then
local activeTypeLookup = { }
if activeSkill.activeEffect.grantedEffect.weaponTypes then
for activeType in pairs(activeSkill.activeEffect.grantedEffect.weaponTypes) do
activeTypeLookup[activeType] = true
end
end
if not next(activeTypeLookup) then
return false
end
...
end
Windburst does not appear to define weaponTypes, while Nightblade defines Claw/Dagger weapon types.
As a result, the function returns false before the actual equipped weapon can make the combination valid.
How to reproduce the issue
Equip a Claw or Dagger.
Add a skill setup that grants/triggers Windburst.
Add Nightblade Support to the relevant support chain.
Select Windburst in the Calcs tab.
Observe that Nightblade has no effect on Windburst's crit-related stats/damage.
Remove/re-add Nightblade and observe no change.
PoB for PoE1 build code
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Screenshots

Check version
Check for duplicates
Check for support
What platform are you running Path of Building on?
Windows
What is the behaviour in-game?
In game, Windburst can be supported by Nightblade just fine, as seen in the screenshot.
What is the behaviour in Path of Building?
Nightblade Support appears to be treated as incompatible with Windburst, so none of Nightblade's modifiers are applied to Windburst in PoB.
Windburst is an Attack and does not appear to have an intrinsic weapon restriction. Nightblade supports Attack skills and imposes a Claw/Dagger weapon restriction.
With a Claw or Dagger equipped, I would therefore expect Nightblade to support Windburst. Instead, adding/removing Nightblade causes no change to Windburst's calculated stats.
This appears to come from canGrantedEffectSupportActiveSkill() in src/Modules/CalcTools.lua.
Weapon-restricted supports currently appear to require the active skill itself to contain a weaponTypes table:
Windburst does not appear to define weaponTypes, while Nightblade defines Claw/Dagger weapon types.
As a result, the function returns false before the actual equipped weapon can make the combination valid.
How to reproduce the issue
Equip a Claw or Dagger.
Add a skill setup that grants/triggers Windburst.
Add Nightblade Support to the relevant support chain.
Select Windburst in the Calcs tab.
Observe that Nightblade has no effect on Windburst's crit-related stats/damage.
Remove/re-add Nightblade and observe no change.
PoB for PoE1 build code
Screenshots