>>35417362Yes. Long Reach is the Ability version of the Protective Pads item. It allows Decidueye to use contact moves without triggering any items, abilities, moves, etc. that activate upon contact.
Decidueye doesn't have to worry about the following when it uses a contact move:
Items: Rocky Helmet, Sticky Barb
Abilities: Aftermath, Cute Charm, Effect Spore, Flame Body, Static, Fluffy, Gooey, Iron Barbs, Mummy, Poison Point, Rough Skin, Tangling Hair
Moves: Beak Blast (burn), Baneful Bunker (poison), King's Shield (2-stage attack reduction), Spiky Shield (1/8th residual damage)
These are all of Decidueye's contact moves:
Acrobatics, Aerial Ace, Astonish, Brave Bird, Covet, Facade, False Swipe, Frustration, Fury Attack, Giga Impact, Grass Knot, Leaf Blade, Low Sweep, Peck, Phantom Force, Pluck, Return, Shadow Claw, Shadow Sneak, Sky Attack, Steel Wing, Sucker Punch, Tackle, and U-Turn