This supplement contains a great variety of story-filled options for playing in the Underdark after 'Out of the Abyss'. The characters options are good in their own right, but also offer up hooks and adventures that could represent sessions worth of fun (e.g. Order of the Hellfire Hearth). Well-written and laid out, with great, oozy art. Recommended!

Yep this is quite cool. Though it depicts itself as a collection of OOTA after effects any and everything inside it could be used while starting or running an OOTA game. Muck dwarves and the Tiefling variants are nifty and balanced. The Faerzeress Sorcererous origin is excellent and comes complete with a whole new Demonic Surge table. And Lolth and Zuggtmoy make for impressive Warlock patrons.

The layout is pleasing and the artwork spot on.

I'm going to use this to whip up some interesting NPCs for my OOTA player's to deal with while they continue their Journey Through the Center of the Underdark...

I like it. I don't possess either Sword Coast, nor Abyss, but it was immediately understandable and provides a good sampling of what seems reasonable results from the Abyss adventure series.

I like the Muck Dwarves, and immediately was reminded of the Ooze Master from the 3e Druid (etc.) book, which seemed like it would go well with the new sub-race. Likewise, a Muck Dwarf Warlock of Zugtmoy seems like a nice combination.

The makeshift weapons seems reasonable, and very easy to implement.

The art is evocative and fits the book's themes well, too.

Nice. I am looking to add the print copy to my 5e book collection.

Thank you.