Union Arena's Attack on Titan set launched during a resurgence of interest in the anime franchise and represents a key moment when the TCG expanded its anime licensing beyond Japanese markets. Released in 2025, this set captured the series during a pivotal period in its narrative, bringing both established and newer fans into the card collecting hobby. Union Arena established itself as an accessible entry point for anime collectors seeking alternatives to traditional trading card games. Levi stands as one of the set's most iconic character cards, featuring the elite scout in a moment befitting his reputation as humanity's strongest soldier. His stoic presence and combat prowess made him a natural centerpiece for collectors drawn to Attack on Titan's most memorable characters. This card remains highly sought after by both character enthusiasts and players who recognize his significance within the series' lore.