Getting past the hobgoblins and goblins guarding the entry rooms wasn’t very hard.
The team found their way down into an old crypt, guarded by a glyph-trapped floor and swarms of needlefang drakes.
Continuing to search the under-crypts, team is jumped by gnome skulks and weird magma creatures.
What came next was an unwelcome surprise, undead! There are undead down here that the goblins are feeding the captives to!