Aim at the stone, click Use Feather, and summon Lei Ling.
3. Follow Lei Ling to the prompt point on the right, click on the feather on the stone statue here, and words will appear on the wall.
4. Go back to the decryption point and light the stones one by one in the literal order just now with the thunder element: 4523 1.
5. Finally, the decryption enters the cancel function, and you can enter the next stage of the task and phantom dialogue.