Safety is the biggest concern with any unauthorized repack. Generally, ElAmigos has a good reputation in the community for in their releases. However:
Ethically, the case is nuanced. Game preservationists argue that cracks like ElAmigos ensure the game remains playable decades later when official authentication servers may shut down. Yet Ragnarök is a current, actively supported title—not abandonware. Furthermore, the ElAmigos release directly undercuts the “Deluxe” tier’s very purpose: supporting the developers for going above and beyond. When fans pirate a Deluxe Edition, they signal that premium, artistically valuable extras have no monetary worth.
You can choose not to install the 4K cutscenes (saving 20 GB) or the artbook/soundtrack if you only want the game. This customization is a hallmark of ElAmigos releases.
A typical installation process looks like this: