While an individual mod can be powerful, using several at once can completely change the game into something new this seems to be the goal of Twitter user HeavyBurns.
Sometimes these can be used to add new features or functionality that improve the game, and other times they are piled on to ridiculous effect such as making dragons look like Macho Man Randy Savage. When it comes to playing Skyrim, players frequently use mods to tailor the experience for themselves.