So... say you're a Fianna and you want the Gift Spear Dancing, which gives you an unparalleled ability to balance on the smallest of surfaces with an athletics check to balance that lasts for the scene.
BUT- say some Adren Shadowlord jackass decided one day to enter the Thrall of the Wyrm and merrily cut you asunder with his grand klaive and gave you some severe spinal damage when you were a young Cliath...
So now, you can't make a balance check without spending a willpower, otherwise you auto fail...
To use Spear Dancing, must you spend both the gnosis and a willpower to have awesome balance for the scene (and spend another willpower to attempt another crazy balancing feat), or will the gift of Gaia make your stupid battle scar not happen for that scene?