Infiltrator

Selectable — one of up to three, and only one is active.

Weedle Bug Poison BST195Zubat Poison Flying BST245Hoppip Grass Flying BST250Skiploom Grass Flying BST340Jumpluff Grass Flying BST460Yanma Bug Flying BST390Foongus Grass Poison BST294Litwick Ghost Fire BST275Lampent Ghost Fire BST370Chandelure Ghost Fire BST520Froakie Water BST314Frogadier Water BST405Espurr Psychic BST355Inkay Dark Psychic BST288Malamar Dark Psychic BST482Noibat Flying Dragon BST245Lunala Psychic Ghost BST680Marshadow Fighting Ghost BST600Thievul Dark BST455Spectrier Ghost BST580GengarMega Ghost Poison BST600MeowsticFemale Psychic BST466Ceruledge Fire Ghost BST525Bramblin Grass Ghost BST275Brambleghast Grass Ghost BST480?MalamarMega Dark Psychic BST582Phantowl Ghost Flying BST532CrobatMega Poison Flying BST645

Always on, alongside whichever main ability is chosen.

Golbat Poison Flying BST455Spinarak Bug Poison BST250Crobat Poison Flying BST535Sneasel Dark Ice BST430Ninjask Bug Flying BST456Seviper Poison BST458Kecleon Normal BST440Duskull Ghost BST295Mismagius Ghost BST495Cottonee Grass Fairy BST280Whimsicott Grass Fairy BST480Yamask Ghost BST303Meowstic Psychic BST466Decidueye Grass Ghost BST530Xurkitree Electric BST570Sobble Water BST310Dreepy Dragon Ghost BST270Drakloak Dragon Ghost BST410Dragapult Dragon Ghost BST600?MeowsticM Mega Psychic BST566Slyduck Dark BST600Plundertow Ghost Grass BST600DragapultMega Dragon Ghost BST700