Discover the Method for Acquiring Burning Firestones: Essential for the Flowing Primal Flame Quest

This guide details how to obtain the four Burning Firestones needed to complete the "The Flowing Primal Flame" quest in Genshin Impact, following the "To the Sky-Road" quest. 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. After the cutscene with Bona, the Little One will retrieve the first Firestone.
3. Follow the Little One across the raised bridge (activate the nearby mechanism).
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.
3. Raise the lift.
4. Follow the Little One to the second Firestone.
5. Collect a Common Chest along the path.
6. Activate the mechanism near the Firestone.
7. Climb the spawned platforms to the upper level.
8. Defeat the enemy and collect an Exquisite Chest.
9. Activate the mechanism to open the gate.
10. Descend to the Saurian, open the door, and tell the Little One, "Let's return to the altar!"
11. Return to the Altar of Primal of Flame.

Burning Firestone #3:

1. Rotate the right and northern floating island mechanisms.
2. Cross the bridge to the lower level of the northern isle.
3. Follow the Little One; observe the Secret Source Sentinel moving the third Firestone to the southwestern isle.
4. Proceed to the northwestern edge and inhabit a Qucusaurus.
5. Fly towards the Pyroculus.
6. Activate the tower mechanism, transform into a Qucusaurus, and fly to the unlocked door.
7. Use the elevator to return to the upper level.
8. Interact with the Saurian, follow it, and activate the lift.
9. Return to the Altar of Primal of Flame.

Burning Firestone #4:

1. Cross the northwestern bridge; have Bona tilt the bridge upwards.
2. Glide to the upper level of the northern isle.
3. Lower the lift and follow the Little One.
4. Tell the Little One, "Let's return to the altar!"
5. Defeat the enemies.
6. Tell the Saurian to return to the altar.
7. Collect a Precious Chest.
8. Return to the Altar of Primal of Flame.

After offering all four Firestones, a cutscene will transform the Jade of Return into a Golden Entreaty. The Dragon of the City of Flowing Ash will appear, leading to the "The Other Side of the Sky" quest on the Nursery of Nightmares island, rewarding 50 Primogems upon completion.