The first puzzle encountered in Chapter 4 of Beast of Reincarnation revolves around lighting a series of pyres in a specific order. This puzzle is tied to a riddle concerning the formation of celestial bodies, which ultimately dictates the sequence required to activate a nearby bell and confront the chapter's boss.
The riddle, found on a note beside the pyres, reads:
Light the pyres of the Sun, Moon, and Earth. Let your mind dwell on the universe. Which star gave rise to you? Light the celestial bodies in the order they were born.
There are three pyres, each marked with a symbol representing the Moon, the Sun, or the Earth. To solve the puzzle, these must be lit in the order of their cosmic birth.
The correct sequence is: Sun, then Earth, then Moon. 
If the pyres are lit in the incorrect order, a Golem standing nearby will inform the player that the puzzle needs to be attempted again. Successfully completing the sequence, however, will trigger a brief cutscene, after which the player can proceed upstairs to ring the bell and continue their journey.