You can obtain the Watermelon trait in Dungeon Village 2 in your city by Giant Watermelon and hosting event Watermelon Pinata. Watermelon Pinata is worth 25 points, which is the most points for acquiring the Watermelon trait.
The Watermelon trait is a requirement for two titles, including Rich In Lycopene and Summer Retreat.
The exact amount of points for each factor in the Watermelon trait is detailed below.