FIND THIS MANGA!!!

[Emallene]

Chinese cultivation manga where Male MC finds a powerful box. Next thing is that his Family of (Powerful Brothers) go to war against Demons in hell( the place looked like hell at least). He finds a powerful sword in an underground home of the demons.

 

[Reiru]

@Emallene https://mangadex.org/title/23364/dragon-king-of-the-world (chapter 7 mc find the box)

 

[Emallene]

@Reinu idk how you figured that out from my description lol but
YEAH this is it!! Thanks a lot, man!