Hey there! I bought a bunch of 5e compediums, but shame on me, i'm more into my own world building than on classical campaigns. So my question is: wich book should I buy - or i already own just don't find my creature - if I want to make my own hell? I want lesser, unnamed demons to bargain with my team and terrorize them, demon armies etc. I saw Descent into Avernus but I already have Monster Manual, Volo and Mordekain so I don't want to pay 50 bucks for not so much new content. Descent have some exclusive demons, dukes and archdukes, i need? Or I already own them? Sorry for being this noob, I read like 2 main articles and I didn't understood how it's works so it's better to ask those who might know the lore. Thanks!