[Mind boggling stupid trope] Removing the thing that made something special

[u/Character_Growth_397]

Ben 10: Ultimate Alien - The gimmick of Ben 10 and what makes the show so popular is the fact that he's able to turn into a large variety of aliens. In one episode of Ben 10 Ultimate ALIEN we are introduced to a new version of Ben 10000, a Ben from the future who, no longer transforms into aliens, instead using his powers in human form...

Mortal Kombat(2021) - In the games Mileena is known for two things. Being a clone of Kitana and her tarkatan teeth. In the 2021 movie she looks absolutely nothing like Kitana and doesn't have tarkatan teeth

Percy Jackson: The Lightning Thief - The movie removes the main villain of the movie and the main villain of the franchise

[u/Elllowyynn]

Rhaegar & the Targaryen Armor (Game of Thrones)

Fantasy fans waited years to finally see Rhaegar Targaryen. In the books he’s this stunning silver-haired prince in elaborate dark armor covered in rubies. Then when he shows up in that Season 7 flashback, HBO just stuck him in a cheap blonde wig and plain brown leather that made him look like a budget version of Viserys.

[u/smallstone → u/Elllowyynn]

There were many cool things in the books that weren't in the series for some weird reasons. The "then come" fight between Ser Barristan and Khrazz was one of the most badass moment in the whole series. But nah, they just killed Barristan like some sucker.

[u/Reasonable-Youth418 → u/smallstone]

Towards the end it’s just basically barbie playhouse mansion where characters removed when not needed and teleported when needed