Flair will attempt to slip free of the vines. If her get into position, be could throw the stone he'd grabbed earlier and use that to deliver Gaston's destructive energy.
Spoiler: OOCMA; I attempt to free myself via Escape Artist.
0 ranks +1 (Dex), -2 (penalties from Entangled) +10 (grease)
(1d20+9)[25]. If the result is 14, 15, 16, 17, 18, or 19, I will spend 1 Inspiration (1d6)[2]
If that is successful, I will throw the rock at the Vine, using Gaston's Major Ability. I don't know how
(1d20+1)[5] Use Inspiration if it seems like it'd help. (1d6)[2]. Damage is whatever the rock does + (2d6)[10]