The Letter of the Eternal is a letter in Lies of P.
Location[]
The letter is found where Giangio is located at in Hotel Krat. It will appear after the player reaches one of the three endings and returns to the hotel without starting New Game Plus. Giangio will be gone but a safe will remain, allowing players to still purchase Wishstones and Star Fragments with Gold Coin Fruit.
Transcript[]
I had a good time. It's amazing to see a new brother being born. I hope to meet you again sometime on the eternal line of time.
- - P.P.