Nullscape built a small library of short enemy callouts that players clipped and shared outside matches, and this Guardian line spread in the same way as other game callouts like enemy spotted in tactical shooters. Its appeal comes from how specific it feels compared with a generic alarm or the familiar Roblox oof, because it names the action about to happen. Fans reuse it in edits and soundboards to signal an incoming attack without showing the source scene, which keeps the cue recognisable even in unrelated videos and memes today.