https://www.gamespot.com/articles/monster-hunter-world-devs-weigh-in-on-loot-boxes/1100-6454539/

2017 has seen the rise of the loot box system enter AAA gaming in a big way. Most recently, Shadow of War implemented the purchasable items as a way to acquire Orcs and weapons, and EA addressed player concerns for the system in the upcoming Star Wars Battlefront II. But the major argument for the system tends to focus on players who don't have hours to invest in a game to earn incremental rewards. In a way, loot boxes can potentially level the playing field

But if you're eager to just try the game yourself, a beta will be coming to PS4 for PlayStation Plus subscribers in December. And the full game launches on PS4, Xbox One, and PC worldwide on January 26 of next year.