Lootboxes will ultimately end up with a player spending more money than they would normally spend to get one item, but also end up with every other item at the cost of likely 2x or more of the single, desired, item's cost.

If you mean in-game, there's Eureka. Literally drops lootboxes with materia, a mount possibility, barding possibility, some minions and some glamour. A possibility also for fireworks/Eureka potions, but every lootbox system includes meh items.

I mean, it also means doing Eureka.