Sekiro: Shadows Die Twice is an action-adventure game developed by FromSoftware and released in 2019, starring the shinobi Wolf in a reimagined Sengoku-era Japan. Death is central to its design, and the game marks each defeat with a large red kanji character and a distinctive audio cue. Clips of repeated boss deaths helped the sound spread through gameplay videos, streams and edits on YouTube and Twitch. It remains popular as shorthand for brutal difficulty and a hard-earned lesson learned through failure.