Nesting Anvils

Prismatic augment

Gain an Artifact Anvil. After you open it, gain a Component Anvil. After you open that, gain 4 gold.

Nesting Anvils enables

Gold

Gold is the player-level economy resource.
Anvil

An Anvil is a reward that lets you pick one item from a short offer.
Item Reward

An Item Reward puts an item straight into your hands, outside the usual ways of earning one.