Genshin Impact: Collect Burning Firestones for "Flowing Primal Flame"

This guide details how to obtain the four Burning Firestones in Genshin Impact's "The Other Side of the Sky" quest, following the "To the Sky-Road" quest's completion. After assisting Bona with the Chu'ulel Light Core, players must locate and offer two Pyrophosphorites to the Altar of Primal of Flame to access Tonatiuh.

Obtaining the Burning Firestones:

Burning Firestone #1:

1. Reach Tonatiuh.
2. Complete the cutscene with Bona; the Little One will retrieve the first Firestone.
3. Follow the Little One to the bridge, activating the lift mechanism to allow passage.
4. Interact with the Saurian and Bona.
5. Another cutscene will play.

Burning Firestone #2:

1. Rotate the right and left floating island mechanisms.
2. Cross the extended bridge eastward, raising the lift.
3. Follow the Little One to the second Firestone, collecting a Common Chest en route.
4. Activate the mechanism near the Firestone, climbing the spawned platforms to the upper level.
5. Defeat the enemy and obtain an Exquisite Chest.
6. Activate the mechanism to open the gate.
7. Descend to the Saurian, unlock the door, and request a return to the altar.

Burning Firestone #3:

1. Rotate the right and northern floating island mechanisms.
2. Cross the bridge to the northern isle's lower level, following the Little One.
3. Observe the Secret Source Sentinel moving the third Firestone to the southwestern isle.
4. Proceed to the northwestern edge, ride a Qucusaurus, and fly towards the Pyroculus.
5. Activate the tower mechanism, transform into a Qucusaurus, and fly to the unlocked door.
6. Use the elevator to return upstairs, interact with the Saurian, and follow it, activating the lift.
7. Return to the Altar of Primal of Flame.

Burning Firestone #4:

1. Cross the northwestern bridge, requesting Bona's assistance to raise it.
2. Glide to the northern isle's upper level, lowering the lift.
3. Follow the Little One, requesting a return to the altar.
4. Defeat the spawned enemies, and request the Saurian's assistance again.
5. Collect a Precious Chest and return to the Altar of Primal of Flame.

Once all four Firestones are collected and offered, the "Flowing Primal Flame" quest concludes, transforming the Jade of Return into a Golden Entreaty. A cutscene featuring the Dragon of the City of Flowing Ash will initiate, leading to the "Nursery of Nightmares" island and the completion of "The Other Side of the Sky," rewarding players with 50 Primogems.