Deep Woods, Dark Heart was the planned but ultimately unreleased thirteenth adventure for the RPGA's Mark of Heroes campaign using the 3.5-edition Dungeons & Dragons rules and set in the Eberron campaign setting. It was to be released in 2006 and was intended for 9 th -level characters.
“
A member of
House Vadalis
has gone missing, and divination has determined she has been kidnapped by the dark and mysterious
Children of Winter
. Can you save the girl before she is sacrificed within an unholy grove deep in the heart of the
Gloaming
?
”
— Synopsis