Generic item-givers

There are a few generic item-givers. These all have identical item pools and can generate all but a small group of items.

The generic item-givers are:
 * Multiversal Flux
 * Alchemize
 * Purchase
 * Banking (Class Talent)
 * D6
 * Black Hole In A Box
 * Thieving Imp
 * Opal Necklace
 * Auction
 * Minigames
 * A.P.R.I.L.
 * Wild Mode: What The Flux?!
 * Downie's Gift item
 * Necrotic Flux
 * The Glacier
 * RNGesus
 * Revanfodne's Blessing in the Hall Of Heroes
 * My Little Shoppy (event)
 * Glitchieke Doll
 * Bag Of Wonders
 * The Pirate Ship's Items On Sail
 * Activated Improbaglitchity Device
 * Merry Present
 * The Reality Stone (including in The Infinity Gauntlet)
 * Insert The Reality Stone into The Infinity Gauntlet.
 * The Completed Infinity Gauntlet's Ultimate Reality
 * Completed Finity Gauntlet
 * Boss Mode item generation
 * Boss Mode initial 1-25 items

As of January 7th, 2020, all of the items that cannot be obtained with generic item-givers are:
 * any Unremovable category items
 * any Legendary Rings
 * any components of English Breakfast
 * any Demons
 * any Skulls
 * any Deadly Item
 * any Quest Gems
 * any Dragonlings
 * Gem Elixir
 * ACME TNT Detonator, Spider Mine Remote, Glue Mine Activator, Frost Mine Activator, Sheep Activator, and Teleporter Activator
 * Unidentified Loot Crate
 * Chikapu and Freakachu
 * Golden Goose and Golden Egg
 * Mooshroom
 * Pet Bear and Bearskin Vest
 * Dragonskin
 * Fluffy Gobbo, Fuzzy Gobbo, and Gobbo King
 * Fluffy Glibbo and Fuzzy Glibbo
 * Ankh Of The Pharaoh and Whip
 * Cup Of Milky Tea, Chocolate Milk, and Bowl Of Cereal
 * Cocos Pieces and Two Halves Of Coconut
 * Torn Memento: Left Side and Lost Memento
 * Decursed Cat Collar
 * Diss Card: Shift
 * Cheese Eyes
 * Pomegranate Seeds
 * Vial Of Essence
 * Sex Bomb
 * Totem Of The Beast
 * Metro-Gnome
 * Doom Doge, Hidden Chameleon, Hungry Bookworm, and Secret Agent Platypus
 * The following fishing related items: Electric Eel, Goldfish, Hammerhead Shark, Hypnotoad, Loan Shark, Octopus, Piranha, Pufferfish, Red Herring, Salmon, Swordfish, Three-Eyed Fish
 * The following Reference Time! related items: Prism Of Ooo, Sonic Screwdriver, and Iron Coin
 * The following Adventure Time related items: Demon Sword, Enchiridion, and Black Dragon Egg
 * The following Dr. Who related items: Gallifreyan Time Watch, Quantum Crystallizer, Bottle Of Nanogenes, Contained Huon Particles, and Sprig Of Celery


 * The following Seasonal Event related items: Box Of Chocolates, Romantic Rose, Tainted Rose, all Wedding Rings, Pi Pie, Birthday Cake, Festive Chicken, Egg Launcher, Chocolate Easter Bunny Of Doom, Chocolate Surprise Egg, Towel, Peace Dove, Oktoberfest Ticket, any Oktoberfest Drinks, Sauerkraut Mit Bratwurst, Butterbeer, Candy Corn, Creepy Candy, Scary Pumpkin, Terrifying Pumpkin, Pumpkin Lantern, The Baron's Combination Key, Snowballs, Wrapping Paper, Festive Present, Merry Present, Red Envelope, and Jason's Mask
 * Fortune Cookie EXCEPT during Lunar New Year
 * Sunscreen, Beach Ball, both Inflatable Crocodiles, Inflatable Egg, Cocktail Shaker, Party Cooler, Salsamander, and Solar Panel EXCEPT during Summer
 * Turkey, Roasted Turkey, Turkey Feather, and Wishbone EXCEPT during Thanksgiving
 * Magical Winter Hat EXCEPT during Winter
 * Santa's Sleigh EXCEPT during Christmas
 * Pamela's Sweater EXCEPT on Friday the 13th
 * Non-basic Slot Sharing Items