Assist Trophies

Last 1 Turn by default and only ever execute their described effect
6-Way Missile Tank Aban Hawkins Akira Yuki Alucard Andross Arcade Bunny Ashley Axe Battler Aya Shameimaru Barbara the Bat Big Bang Monokuma Black Knight Blizzard King Bomberman Burrowing Snagret Carbuncle Chain Chomp Chef Kawasaki Clem C'mon Six Machine! Chaos Color TV-Game 15 Crewmates & Imposter Crown Puyo Cybeast Gregar Dark Samus Dark Wraith Daroach Delthea Devil Dillon Doc Dr. Kawashima Dr. Wright Dyna Blade Elec Man Excitebike Falzar Flies & Hand Francis York Morgan Geese Howard Geist Ghirahim Ghosts Great Dragon Gray Fox Guile Hammer Bros Helirin Henry Infantry & Tanks Isaac Isabelle Jeff Andonuts Jill & Drill Dozer K1-B0 Kackle Kapp'n Karate Joe Kat & Ana King King (Armor) Klaptrap Knuckle Joe Knuckles Krystal Leo Laserman.exe Leon Lakitu Little Mac Lyn Magnus Metroid Mid Boss Midna Mikan Tsumiki Mom Moon Mother Brain Moundo Mr. Resetti Nightmare (Kirby) Nightmare (Metroid) Nikki Nintendog Phosphora Prince of Sablé Prinny Team Rabbids Rathalos Ray MK III Rebecca Remilia Scarlet Riki Riku Rodin Saki Amamiya Sakuya Izayoi Samurai Goroh Shadow the Hedgehog Sheriff Shovel Knight Sinistar Skull Kid Spinni Spring Man Squid Sisters Starfy Starman Storm Emperor Storo Sukapon Suwako Moriya Takamaru temMIE Thwomp Tiki Tingle Tracy Utsuho Reiuji Vince Waluigi Wily Capsule Witch Yuri Kozukata Zero

General Items

Items with lasting effects last 3 turns, and items with multiple uses (Ray Gun, Home-Run Bat, etc) will last for 3 Combat Actions before disappearing/breaking/running out of ammo. If a weapon is stored away before it is used up in a mission, it will replenish itself fully.
Aegis Scales Baby Yoshi Back Shield Bag of Dragonite Banana Gun Banana Peel Barrel Cannon Beam Sword Beehive Beetle BFG 9000 Bismuth Black Firebomb Black Hole Blast Box Bob-omb Bombchu Bomber Boomerang Bread Monster Bullet Bill Bunbunmaru Newspaper Bunny Hood Burst Soul Chaser Brew Chateau Romani Chuckola Cola Cloaking Device Coffee Bean Cracker Launcher Cucco Daybreak Pieces Death's Scythe Deku Nut Devil's Kiss Lollipop Double Cherry Dragoon Pieces - Drill Exploding Tendons Fairy Bottle Fan Fire Bar Fire Flower Flipper Food Floral Headband Franklin Badge Freezie Full Heal Golden Hammer Gooey Bomb Green Blossom Green Shell Guardian Teddy Bear Gust Blower Hammer Healing Field Healing Sprout Heart Container Hocotate Bomb Home-Run Bat Hothead Hydra Parts Hyper Candy Ibaraki Box of a Hundred Medicines Ink Bottle Killer Eye Killing Edge Li Gas Mask Li Jetpack Life Elixir 'Grand Patriots' Elixir Lightning Bolt Lily Pad Lip's Stick Lovely Perfume Magical Grimoire Magical Timepiece Makai Realm Brand Honey Mama Hippo's Pineapple Cookies Maxim Tomato Metal Box Megaphone Hacking Gun Miracle Ball Mondo Butter Motion Sensor Bomb Mr. Saturn Mystery Food X Mystical Feathers Naura Bakery Cake NES Zapper/Duck Hunt Night Vision Goggles Nightmare Virus Ore Club Parasol Peep-see Cola Pendulum Pitfall Poison & Super Mushroom Poison Vial Power-Balloon Plantern Plump Cakes Pokémon Transmogrifier Rage Blaster Ramblin' Evil Mushroom Rave Toad's Party Bomb Ray Gun Red Hot Shot Red Shell Roundabout Tonic Sandbag Screw Attack Sequin Land Bubble Shield Sinner's Sandwhich Skeleton Key Slingshot Smart Bomb Smash Bumper Smoke Ball Spiny Shell Soccer Ball Special Flag Spring Staff Starbits Star Rod Starman Steel Diver Strange Potion Super Bell Super Leaf Super Launch Star Super Scope Super Spicy Curry Team Healer Teddy Bear Tempura Bomb Timer Trueform Pin Twin Blades Unira Virtual Boy Warp Star Whimsical Stars Wall Eraser Water Rod World's Best Curry X Bomb Yashichi Z-cell Zombie Shroom

Pokémon

Last 1 Turn by default and only ever execute their described effect

RNG Pokéball
RNG Master Ball
RNG Beast Ball
Abomasnow Abra Alolan Exeggutor Alolan Raichu Arceus Articuno Beedrill Bellossom Bewear Blacephalon Blastoise Bonsly Buzzwole Celebi Celesteela Chansey Charizard Chespin Chikorita Clefairy Cyndaquil Darkrai Decidueye Dedenne Deoxys Ditto Dracovish Durant Eevee Electrode Entei Exploud Falinks Fennekin Fletchling Gardevoir Genesect Giratina Gogoat Goldeen Groudon Gulpin Guzzlord Heatmor Hitmonlee Ho-Oh Inkay Jirachi Kartana Keldeo Koffing Kyogre Kyurem Latias & Latios Lugia Lunala Manaphy Marill Marshadow Meloetta Meowth Metagross Mew Mimikyu Moltres Morelull Munchlax Nihilego Obstagoon Onix Oshawott Palkia Pheromosa Piplup Poipole Porygon2 Primarina Pyukumuku Raikou Regieleki Runerigus Scizor Shuckle Shuppet Sirfetched Slaking Snorlax Solgaleo Spewpa Stakataka Starmie Staryu Steelix Suicune Swirlix Tapu Koko Togedemaru Togepi Torchic Totodile Unown Venusaur Victini Vulpix - Alolan Vulpix Weavile Weezing Wobbuffet Xerneas Xurkitree Zapdos Zarude Zoroark