Game Help Entrance to Zodiac Village | Secret Area Access in Black Myth Wukong?

Travel to North Shore of the Bitter Lake and defeat Chen Loong. Once defeated go to Crouching Tiger Temple > Celler.

Interact with Xu Dog and exhaust his dialogue. Give the Pellet to Chen Loong to go to the painted realm.

Reference video:
 
Defeat Chen Loong in North Shore Bitter Lake
Talk to Xu Dog in the Celler
Take the pellet from him by exhausting his dialogue
Return to Chen loong and he'll grant to you entrance to zodiac village