Myconids Are Great, Driders Need Work: D&D’s New Underdark UA

Published on September 28, 2026
Written by Bardic Quest

Wayne, Callum, and Annina unbox Arcana Unleashed and Deadfall, then dig into the second wave of Underdark Unearthed Arcana for D&D 5.5e. They break down the new subclasses on offer, then go deep on the two new playable species — myconids and driders — where one nails the theme and the other doesn’t.

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0:00 Introduction & unboxing Arcana Unleashed and Deadfall
9:20 Why the new D&D sourcebooks feel thin on lore
20:30 Underdark sourcebook incoming — new subclass overview
28:50 Diving into the two new Underdark species
32:40 Myconid — mushroom people done right
40:15 Drider — a monstrosity with an identity crisis
1:03:50 Feedback survey closes October 1st, what’s coming next
1:06:35 Wrap-up

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