During your journey in Lies of P, you will find ringing phones all over Krat. When you pick up the phone, Arlecchino, the "King of Riddles", will give you a riddle to solve. Answer it and you will receive a Trinity Key which will open one of the five locked Trinity Rooms hidden around Krat.
Lies of P – All Trinity Key & Door Locations Guide
There are valuable treasures in Trinity Rooms, such as cosmetic items, doll parts, and Quartz to upgrade your P-Organ, so you should always be on your guard. When you get a Trinity Key, make sure to return to a locked Trinity Door and open it to claim the loot.
Crate isn’t the most intuitive place to navigate, but we’re here to help. We’ll give you exact directions to every Trinity Room in Lies of P, and tell you what rewards are inside.
To find the Trinity Keys in Lies of P, you'll need to keep an eye out for the five Ringing Phones in Areas III, V, VII, IX, and X, and then solve each of Alrecchino's riddles. If you're having trouble finding the phones or solving a particular riddle, you can use our guide to all the Arlecchino Phone Riddle answers and locations.