The Terastal Fest ex set marked a significant moment in Japanese Pokémon TCG, introducing the Terastal mechanic that redefined competitive gameplay and collector appeal. Released in 2024, this set bridged the gap between casual players and serious collectors, offering stunning artwork alongside competitive viability. Double Rare cards became highly sought after within the set, representing premium pull rates and artistic showcases that defined the era. Umbreon ex embodies the dark elegance that has made this Pokémon a perennial favorite among collectors. The card captures both the sleek design of the Pokémon and the dynamic visual style characteristic of modern Japanese releases. Umbreon's loyal fanbase and the card's visual presentation have secured its place as a notable chase card from the set.