Back in 2016 the Adventurer, Conqueror, King System (ACKS) Lairs & Encounters book came out, for which I drew a whole bunch of maps. Ever since then I’ve wanted to draw more maps for the lairs in that book, but never really had the time, until now.
A sinkhole that has exposed ancient and forgotten Dwarven tunnels that branch off across the countryside. A river has been interrupted by the collapse, and a lake is forming below. The bridge that once crossed the river has fallen, the rubble in the muddy earth below.