Max Sp.Atk/Spe; ability Compound Eyesaccuracy-boosted via abilitySleep Powderas setup foothold, Quiver DanceVivillon build raising stats. After putting opponent to sleep, Substituteby preserving it, safely earn action turns while aiming for sweep.

CS Setup Ace Role

benefiting from abilitySleep Powderdisable opponent with it, Quiver Danceraise own stats to dominate as main role.Leftoversrecovers via, Substitutesupplements consumption of it, one-sidedly push high-power Hurricaneplays as an ace.

Threats

Weak to Substitute-piercing moves

Vivillon SubstituteIt fights with it as shield, so piercers like Weak to multi-hits and sound moves. Bulk is also low, so Icicle Spear or Rock BlastBe careful if opponent can use it.

Speed and Sp.Atk raised, ability-boosted accuracy of Sleep Powder/Hurricane as core hazard setter + special attacker Vivillon.Focus SashLeveraging it to sleep opponents, Tailwindor boost ally Speed with it to shape favorable boards — specialty.

Alternative Move Options

Rage Powder instead of Protect recommended

ProtectInstead of Rage Powderis also recommended. Rage Powder Vivillon takes ally-targeted attacks instead.

CS Sash Role

Debut as lead or after ally retreat, high-accuracy Sleep Powder seals opponent movesand creates ally-friendly conditions as main role. Self also chips with high power and Speed control reliably supports team setup.

Threats

Weak to Flying and Ice multi-hits

Vivillon struggles vs. Flying/Ice multi-hits. Both are super-effective, multi-hits OHKO even with Focus Sashsometimes. Vs. threats, Protector switch.