Along with the release of Battles of Legend: Monster Mayhem this year also releases with a “3 Pack Tuckbox” that comes with 1-of-7 Collectible Field Center Cards.

Available Field Centers
Dragonmaid
P.U.N.K.
Orcust
Chibi Chamber and Laundry Dragonmaid
Chibi Galatea and Longirsu
Chibi Ze Amin and Deer Note

Dogmatikalamity Alba System

Each tuckbox contains 3 booster packs of Battles of Legend: Monster Mayhem, each of which contains:

• 1 Secret Rare
• 1 emblazoned Ultra Rare (always a Dragonmaid, P.U.N.K., or Orcust-themed card)
• 3 other Ultra Rares

Release Date: June 12th 2025

Source