Twister is not a Projectile. umm, Comet, Barrage, Scalp, Pierce, Throw Sword, Toss, Boomerang, Whirling Blades, Rock Blast (MH Mythic), Cosmic Orb (MH Mythic), and Orbit (the Arcane Elemental Critical) are the only things that are considered Projectiles and that can be used with Living Force.