Join the world's largest market festival in the virtual space‚ held from Dec․4 through 19ǃ Vket2021 Valhalla of Iron Ravens - Machina˸ The Steel Arena is an exhibition venue of Vket2021․ 鉄鴉の戦場バトルフィールドオブマキナ 鉄火武闘マキナアリーナはVket2021の一般出展会場です。