Obsidian Flames arrived in 2023 as a cornerstone set during Pokémon TCG's modern era, delivering fresh competitive mechanics and beloved characters to an established collector base. The set exemplified the hobby's maturity during this period, blending accessibility with chase cards that excited both players and collectors seeking meaningful additions to their collections. Umbreon, the Dark-type evolution of Eevee, appears here as a striking full-art inclusion. The card captures the elegant menace of this popular Pokémon, drawing collectors who appreciate both Eevee's cultural significance in the franchise and Umbreon's devoted fanbase. Its presence in this set made it a natural target for those building themed collections.