Genshin Impact Guide: Unlock Burning Firestones in Primal Flame Quest

In Genshin Impact, after assisting Bona in purifying the Abyssal Corruption from the Chu'ulel Light Core, players must help her locate the Primal of Flame. Once found, Travelers must offer two Pyrophosphorites (obtained during the Palace of the Vision Serpent Quest) to the Altar of Primal of Flame. This offering opens a path to Tonatiuh, a floating island above Ochkanatlan’s Cradle of Fleeting Dreams. Reaching Tonatiuh completes the To the Sky-Road Quest and begins The Other Side of the Sky Quest, requiring the collection of four Burning Firestones to acquire the Jade of Return.

How to Obtain the Four Burning Firestones in Genshin Impact

Burning Firestone #1

The first Burning Firestone is obtained by:

1. Reaching Tonatiuh.
2. Completing the cutscene with Bona (the Little One will collect the Firestone).
3. Following the Little One to the bridge, activating the lift mechanism.
4. Interacting with the Saurian and Bona.
5. Completing another cutscene.

Burning Firestone #2

The second Burning Firestone is located on the northeastern isle. To obtain it:

1. Rotate the right and left floating isle mechanisms.
2. Cross the extended bridge eastwards, raising the lift.
3. Follow the Little One to the Firestone.
4. Collect a Common chest.
5. Activate the mechanism near the Firestone, climbing the spawned platforms.
6. Defeat enemies and collect an Exquisite chest.
7. Activate the mechanism to open the gate.
8. Descend to the Saurian, open the locked door.
9. Tell the Little One, “Let’s return to the altar!” and return to the altar.

Burning Firestone #3

To acquire the third Burning Firestone:

1. Rotate the right and northern floating isle mechanisms.
2. Cross the bridge to the northern isle's lower level and follow the Little One.
3. Observe the Secret Source Sentinel carrying the Firestone to the southwestern isle.
4. Proceed to the northwestern edge, inhabit a Qucusaurus.
5. Fly to the Pyroculus, activate the tower mechanism, and transform into a Qucusaurus again.
6. Fly to the unlocked door, activate the elevator, and interact with the Saurian.
7. Follow the Saurian, activate the lift, and return to the Altar of Primal of Flame.

Burning Firestone #4

The final Burning Firestone is on the northwestern isle’s upper level. To collect it:

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, instructing it to return to the altar.
4. Defeat enemies, and collect a Precious chest before returning to the altar.

Offering all four Firestones to the Altar completes The Flowing Primal Flame Quest, triggering a cutscene where the Jade of Return transforms into a Golden Entreaty. The Dragon of the City of Flowing Ash will then appear, leading to the Nursery of Nightmares island and the completion of The Other Side of the Sky Quest, rewarding 50 Primogems.