Originally Posted by
Kaurhz
Probably removed from the game, in the sense that aside from the initial unlock requirement, the entirety of the progression of Island Sanctuary is independent. In the sense that; You do not need to be adequately geared, the progression of crafting and gathering here is independent of DoH/L outside, similarly, your currency outside of Island Sanctuary does not matter. That is probably what they meant by "Removed from the game" - and not - "Well no aesthetic rewards for you to use outside"
That being said, seemingly the only outside nuance there is, is the expert recipe for Level 90, which is potentially tied to an aesthetic inside of Island Sanctuary (Presumably)