Help

Some1 help me find this action manwha as far as ik he gets kidnapped along w others and they need to survive and shi under a cave idk and there's like snakes, spider silk WAIT IDK SHDBJS but they learnt martial arts and they uhh were Abt to get killed? Or idk, but yeah they were all trynna run away. I don't remember the first part but I remember when mc had a time skip, he got strong and shi, and he turned waayyy more feminine. His hair turned white, then he seduced a woman or smth, he resembles either a snake or a spider idk but he's js basically white literally his hair is white his clothes r white his thighs got bigger and shi he promised to get revenge for the other ones who got kidnapped I'm sure asura translated it and it was like around 2-3years ago since I last read it pls pls PLSSSS jelp me, it's a murim world btw.