All Phone Riddles, Solutions & Trinity Door Locations in Lies of P

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Solve all the King of Riddles’ puzzles to unlock unique rewards

Co-authored by Glenn Carreau

Last Updated: July 17, 2025 Fact Checked

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• All Lies of P Riddles & Answers
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• What are the riddles for?
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• Trinity Door Locations
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• Video

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Are you determined to complete the King of All Riddles side questline in Lies of P? We’re here to help! While answering a few riddles might not seem like a big deal, doing it correctly can lead to some pretty major loot (and contribute to P’s character growth as well). So, we’ve put together a complete and comprehensive guide with all riddles (and their answers) in Lies of P, as well as tips on finding each of the Trinity Doors that can be unlocked by completing the riddles. Let’s dig in!

Quick Answers for Lies of P Riddles

1. Krat City Hall Courtyard riddle answer: Human
2. Malum District riddle answer: Candle
3. Grand Exhibition Gallery riddle answer: Egg
4. Krat Central Station Street riddle answer: Ergo
5. Relic of Trismegistus riddle answer: Yes or No (doesn’t matter which)

Steps

Section 1 of 3:

All Lies of P Riddles & Answers

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   Riddle 1 - Krat City Hall Courtyard To get the first riddle, head to the Krat City Hall Courtyard Station and go forward until you get to the bridge (which leads to the Workshop Union Factory). Turn right before the bridge to hear a phone ringing. Answer it, and you’ll listen to a voice introduce itself as Arlecchino, the King of All Riddles! You’ll also hear your first riddle.

   • Riddle: "By morning, it walks on feet numbering four. At midday just two, no less and no more. It walks on three feet when the evening arrives. And if you solve this, then I'll know you're alive."
   • Solution: Human
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   Riddle 2 - Malum District When you get the Malum District Stargazer, go forward to the Red Lobster Inn. Turn left into the main room, then leave via the stairs on the back wall. Walk through the Malum District until you get to the ladder right before the courtyard; climb it, and you’ll find the ringing phone. You can also get there by following the Black Rabbit symbols painted on the walls.

   • Riddle: "I stand tall and proud when I'm young and bold. But I'm short and humble once I've gotten old. What am I?"
   • Solution: Candle
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   Riddle 3 - Grand Exhibition Gallery When you get to the Grand Exhibition Gallery, you should hear the phone ringing in a hallway, very close to the area where you fight a robot with a blade that charges through a gate. Answer the phone—but keep in mind that when you solve the riddle, you won’t get the Trinity Key right away; you’ll need to solve another environmental puzzle first!

   • Riddle: "Think about this, whatever it takes: what cannot be used before it breaks?"
   • Solution: Egg
   • The environmental riddle is just down a set of nearby stairs and to the right. To solve it, rotate the smaller state so that it matches the other, and a hidden compartment with the Trinity Key will open on the larger statue.
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   Riddle 4 - Krat Central Station Street To get to the fourth riddle, all you have to do is travel straight through the alcove located ahead of the Krat Central Station Stargazer. Follow the straight path until you reach a point where you have to turn right or left; to the left, you’ll see the phone (and can answer it to get the riddle).

   • Riddle: "This blue flower has many ways to take root. But only on man does it ever bear fruit.”
   • Solution: Ergo
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   Riddle 5 - Relic of Trismegistus This is another riddle that’s extremely hard to miss! The phone is located on a cliff, just above the Relic of Trismegistus’s boss door (where an enemy ambushes you as part of the game’s story). After defeating the enemy, go forward and to the left to answer the phone.

   • Riddle: "Is Geppetto's creation a killer? CONFESS!"
   • Solution: You can answer “Yes” or “No” here. Either way, you’ll get the King of Riddles’ Surprise Box as a reward.
   • Access the Collectibles menu and open the box there to get The Chosen One’s Trinity Key.
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Section 2 of 3:

What are the riddles for in Lies of P?

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1. 
   Solving the riddles in Lies of P will reward you with Trinity Keys. These Trinity Keys are important because with them, you can unlock Trinity Doors all around Krat, behind which you’ll find unique and powerful items. So, when you hear a phone ringing, be sure to answer it and listen to the King of All Riddles!

   • The King of All Riddles is a being called Arlecchino; he’ll challenge you to the game of riddles and reward you with Trinity Keys as you answer them correctly.

Section 3 of 3:

Trinity Door Locations in Lies of P

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   Workshop Union Culvert You know how to get all the Trinity Keys—but you’ll need to know where the Trinity Doors are to use them! So, the first Trinity Door is located at the Workshop Union Culvert. When you get there, head down a long tunnel (with balls of fire rolling down it) and squeeze through a gap on the right. Go past the spot where the Fox and Cat sometimes sit, into the red pipes, and turn right at the end.

   • There, you’ll find a door with a Trinity symbol on it!
   • Behind this Trinity Door, you’ll find Quartz and the Blue Blood’s Tailcoat.
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   St. Frangelico’s Cathedral Chapel At St. Frangelico’s Cathedral, go beyond the altar into the ruins with the clocktower mechanisms; travel upward until you come to the point where electrified balls are rolling down a slope. Weave between the balls (and use a ladder) to get up the slope, and you’ll find the Trinity Door inside a tunnel there.

   • Inside the Trinity Door, you’ll recover the Black Cat’s Amulet and the Monster Sweeper’s Hunting Apparel.
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   Estella Opera House When you get to the Opera House, proceed through it as usual. You’ll come to a room with a fiery chandelier burning over a pit, and a board crossing the pit; beyond this room is a boss fight. To get the Trinity Door, just drop down into the pit and look behind you!

   • Inside this Trinity Door, you’ll find Quartz and the Belford Superior Radiation Converter.
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   Krat Central Station Lobby To find the Krat Central Station Lobby door, proceed through the station until you reach the statue with a plaque reading “Krat Grand Exhibition 18xx.” Go left from there and head down the stairs; there’ll be a Trinity Door there!

   • Inside this Trinity Door, you’ll find the Workshop Master’s Workwear and the Carrier’s Amulet +1.
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   Arche Abbey Outer Wall At the Arche Abbey Outer Wall, you’ll find a big room with stone platforms around it, which are all connected by planks and ladders. At the bottom of the room, you’ll find a mini-boss guarding the last Trinity Door. Open this door (with the Chosen One’s Trinity Key) to find Arlecchino themselves, who’ll ask you if you’re a puppet or human.

   • It doesn’t matter what your answer is; you’ll get the same rewards no matter what.
   • Arlecchino will give you the Alchemist’s Cape and the Moon World Warrior Toy, which you can give to Venigni for an Achievement!
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