Trochus : is a ingame item, type of shells in a game called "GraalOnlineEra" https://era.graalonline.com/, which is a website based game/mobile game (available on app store/playstore) App Store : https://apps.apple.com/us/app/graalonline-era/id406674031 Play Store : https://play.google.com/store/apps/details?id=com.quattroplay.GraalEra&hl=en Proof :
