Immortal Martial Monarch

Bai Yu believed he was the luckiest transmigrator, living a carefree life for 400 years in a cultivation world. With no pressing concerns, his days were spent leisurely cultivating and indulging in magical hobbies.    
But everything changes when the mysterious elder who raised him commands him to leave the mountain and find Chen Daoran. As Bai Yu embarks on his journey to the enigmatic Star Cloud Sect, he can't shake the unease in his heart.  
Unbeknownst to him, the elder watches his departure with resolve, whispering, "We’ll sacrifice everything to pave the way for you.  This is our debt—one you must bear to endure.”
What dark secrets does the Star Cloud Sect hold?  Can Bai Yu unravel the elder's cryptic intentions before it's too late?