You can obtain the Holy trait in Dungeon Village 2 in your city by Monk or High Priest, Healing Spellbook and taming Holycorn as pets. Worth 10 points each, Monk, High Priest, Valkyrie and Holycorn are the most points towards obtaining the Holy trait.
The Holy trait is a requirement for four titles, including Hero Stomping Ground, Greenhouse and Historic Town.
The exact amount of points for each factor in the Holy trait is detailed below.