watch 02:39 The Loop (Games) Do you like this video? Info An uncommon soul item needed for Gaster. Spawns every 5 minutes (300 seconds) with a 1/50 (6%) chance of spawning. Doesn't play any music. One of seven souls. Get all seven for Mystery Mask which you can then use on human to get Gaster. Retrieved from "https://a-universal-time-roblox.fandom.com/wiki/Perseverance?oldid=50431" Categories: Obtainable Items Undertale Non-Canon Community content is available under CC-BY-SA unless otherwise noted.