A mecha (action sci-fi)
A sharpshooter's sniper rifle (War, Drama)
A samurai's katana (Historical, War)
A throne or a crown (Medieval Fantasy)
A statue of a (presumable dead) god or a worshipped statue/totem (Supernatural Fantasy)
An android (sci-fi)
An A.I. (sci-fi)
A technological virus (sci-fi horror)
A server (slice of life supernatural)
A website (slice of life supernatural)
A cinema and a mixtape (horror)
A cemetery (horror)
A horror amusement park (horror, comedy)
An armor (action)
A virus, or a zombie virus (kingdom-building horror)
A rotting grudge-filled buried skeleton (fantasy)
A mannequin (fairy tale)
A jet fighter (action)
A battleship or star destroyer (sci-fi)
Pandora's Box (fantasy/horror)
A monster house (horror)
A program, maybe a writing or art program (sci-fi)
A video game (sci-fi adventure)
Pirate ship (supernatural or adventure)
Death Star (space opera)
Divine object or artifact that chooses and trains it's wielder (cultivation or fantasy)
Inanimate Frankenstein (horror supernatural)
Ring of lord of the rings (fantasy)
Holy Grail (War)
Peerless cultivation manual or a heirloom magical scroll (Cultivation or fantasy)
An object familiar of protagonist (any genre)
A self-writing pen of a wizard or a quill of a certain.... demigod priest (supernatural mystery)
A telephone, telephone booth, cell phone, smartphone that can interact with other numbers or the internet (comedy supernatural/horror)
A toy, preferably with a certain astronaut and cowboy (adventure)
A nuclear missile (action)
A tank (action)
A VR game (supernatural fantasy)
A supercomputer (sci-fi)
Operating system of a mechanical soldier or even a cyborg (Sci-fi action)
Immune system (Medical Supernatural)
A painting or sculpture (fairy tale or slice of life)
An experiment (sci-fi/fantasy, and/or horror)
A parasite (horror)
A cursed piano that may be able to self-play (tragedy, horror)
A book (tragedy, fairytale)
A house (slice-of-life, fantasy)
An infinity stone (sci-fantasy)
A getaway racecar or illegal racecar (crime, action)
A mascot (magical realism)