Credit to @Tim_Here, Nippon TV (脱出ゲームDERO !), John Powell (music), Snake 19 (trimmed version), and Roblox. (Mouse over Japanese text for localization) With the key obtained, Й must now head to the keybox and insert the key to unlock the exit. But time is looking pretty tight. Though Й seems to be moving quickly. And there's the keybox. The key has been put in... ...and now the exit is unlocked. But unfortunately, time has run out for Й. So what happens now? Now the walls start to close in on Й, and П and ъ can only watch from the quiz zone. Й wasn't fast enough to escape the closing walls, and is now caught in between them. イクラットちゃん脱出失敗です。 (By the way, this is the final part of the Wall Room because it'd just be more of the same and trying to emulate transparency is a pain. Also because I'm prone to procrastination.) If you are curious how the Keybox Challenge works in real life, here's a YouTube video of actual DERO!: https://youtu.be/wJUOWN4tg6A?t=341