Is your feature request related to a problem? Please describe.
the progression supposes having access to a means of storing exp early, the exp obelisk is versatile because it allows pulling out liquid exp with a bucket

Describe the solution you'd like
Replace emerald ingredient with something simpler (e.g. green glass => green dye is obtainable from the shop through cactus)

Describe alternatives you've considered
use another means of storing exp early