Guild Wars 2

You’d make a mint on something like this.

People like getting big, for fun. Not in a way that would impact the game, but just for fun. People love it. Such as having a size increase via the party box, for example.

If you had an endless growth tonic on the store, which… say, had a cooldown of five minutes but wasn’t consumable (had infinite reuses), you could likely sell such a thing for 1,200 gems. I think that endless transformation tonics (into cool things) would actually sell really well, too.

People love toy items and they need to make more of them.