watch 01:51 The Loop (Games) Do you like this video? File:SuspiciousLookingEyeInfo.png The eye is used for summoning the Eye of Cthulhu boss, it can be crafted at a Demon Altar at the cost of 10 Lens. You can only summon it during the night. If attempted to summon during the day, you instantly die. Retrieved from "https://terraria.fandom.com/wiki/Suspicious_Looking_Eye?oldid=10345" Categories: Pages with broken file links Items Article stubs Community content is available under CC-BY-SA unless otherwise noted.