Raging Onslaught

About this expansion

Raging Onslaught is the ST12 Booster Pack expansion for Gundam Japan, released as part of the Booster Pack series on September 26, 2026. The set focuses on aggressive Red‑Purple strategies and introduces many close‑range Mobile Suit units, highlighted by cards for Gundam Epyon and other melee‑oriented suits. It includes cards designed to support multiplayer formats like Battle Royale and 2v2 as well as standard one‑on‑one play.