Crone's Wood Feast

When three items crafted from Crone's Wood are gifted and then brought back together, the original crafter can cast this unique spell once every full moon without expending a spell slot. Up to 9 creatures may be affected, and effects last for 9 hours. 

The creatures have Immunity to the Frightened and Poisoned conditions. Their Hit Point maximum increase by 2d10, gaining that number of HP. They are cured of all current poison and disease. Familiar and constructs under the effect of this spell may give the help action, which will allow players to roll "extra advantage": and use 3 dice instead of 2 for their roll.