Square Enix announced Opus XIII: Crystal Radiance, an expansion for Final Fantasy TCG, to release in March 26, 2021.
This new set features brand-new Multi-Element combinations as well as a return of Multi-Element Forwards which first appeared in Opus XII: Crystal Awakening (see ” ‘Final Fantasy TCG: Opus XII – Crystal Awakening’ Detailed”). There are a also new cards with elemental combinations that differ from those of the Multi-Element cards from previous sets. Also, this set includes three powerful cards from past expansions are included as legacy cards: Vivi [3-017L], Fina [8-060L], and Fusoya [9-094L].

These boxes come in a case count of 12, and MSRP per booster box is $144.00.

Source https://icv2.com/articles/news/view/47254/square-enix-announces-new-final-fantasy-tcg-set