Forgotten Title I dont remember a dungeon novel

Need help i read some time ago a novel where teh prince and princess of a magic kindom was betrayed and to get revenge the both sold half of their souls to build a dungeon... it's a dark novel.

 

Aah, kinda remember this one
A twin from a fallen kingdon royalty that build an undergound dungeon
Kinda forgot about the name tho

 

I am intrigued. Waiting for name.

 

Don't look at me... I, I'm just... farming, uhh... ohh yeah, Im just farming nuffies Definetly not waiting for the novels name...

 

Why i kinda remember they lure adventure and the male twin make a slave one of the adventure girl.... i forgot the name too

 

Found it
Its long hiatus
Tales of the Wickedly Vicious Underground Empire

 

Thanks its it

 

Yup, should be this one