In Chapter 2 of Black Myth Wukong you can find 6 Buddha’s Eyeballs. This is required to trigger the secret boss fight against “Shigandang“.

Buddha’s Eyeball #1
Fright Cliff > Squall Hideout: Directly in front of this shrine, the head will call out to you. It looks like a Buddha head made of stone with glowing yellow eyes. Hard to miss as you’ll walk right past it when entering the Fright Cliff for the first time.

Buddha’s Eyeball #2
Fright Cliff > Squall Hideout: From this shrine take the path on the right and go up the wooden stairs where some enemies are shooting projectiles at you. On top of the stairs you find this head, it will be calling for you and the eyes are glowing yellow.

Buddha’s Eyeball #3
Fright Cliff > Squall Hideout: From this shrine go right and then immediately turn left, where a walking rock enemy is. Walk past this enemy and head up the path (don’t go down into the lower area). Along the path leading up is this head.

Buddha’s Eyeball #4
Fright Cliff > Squall Hideout: From this shrine take the left path until you can go up into a cave. There you find the Buddha head, it will call for you (you can hear it from a distance) and it has yellow glowing eyes.

Buddha’s Eyeball #5
Fright Cliff > Rockrest Flat: Enter the cave opposite the altar (before the altar), when entering the cave immediately turn right and go up the path. Follow the path to the end, there you’ll find the Buddha Head. Past the Mother of Stone boss.

Buddha’s Eyeball #6
Fright Cliff > Rockrest Flat: To the immediate left of this altar in plain sight.

Deliver the Eyeballs to the rock with faces on it where you fought Stone Vanguard to trigger fight against Shigandang.