Dark Devotion. The worker has advantage on saving throws against being charmed or frightened.
Dwarven Resilience. The dwarven worker has advantage on saving throws against poison, and has resistance against poison damage.
Pick or Hammer. Melee Weapon Attack: +3 to hit, reach 5 ft., one creature. Hit:4 (1d6 + 1) bludgeoning or piercing damage.