Location Where to find Red Loong in Black Myth Wukong

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Saw this boss on a twitch stream and now I wanna go back and beat this fucker too, any guide to help me out on how to unlock him plz?
 
Its in the Forest of Wolves, a location from Chapter 1
But theres a requirement u need to fulfill beforehand and thats getting the Loong Scales item in Yellow Rind Ridge in Chap 2

Defeat the King of Flowing Sand to unlcok Valley of Despair Keeper’s Shrine and from the left theres a cliff where u need to throw a Pungent Flesh Chunk to summon a boss called the Rat Prince

In the boss fight, lure him to destroy a uniquely marked wall in the arena, thats ur entrance to the secret area
U can check this guide out for more details, I used it for myself too