Intermediate Crystal RefineMt Redeem Voucher

can be used to redeem a "Refine Scroll" voucher.
You can choose to redeem either a 3-Star Crystal Core Reshuffling Scroll, a 4-Star Crystal Core Reshuffling Scroll, or a Level 5 Crystal Ability Refine Scroll.

can be redeemed with "<Redeem Assistant> Dream Dream" in The Royal City of Arcadia, and the Refine Scrolls are non-tradeable.