After that, all the dryads and fauns start to leave. In Greek mythology, dryads were believed to be shy nymphs who inhabited trees. The genus is named after the dryads, the tree nymphs of ancient Greek mythology. Idas' song invokes the Dryads and Napaean Nymphs and Naiads. The dryads are considered allies of the night elves. For that reason, dryads and the gods punished any mortals who harmed trees. For archaic Greek spirits within oak trees, see Dryads. Grandfather Oak provided Geppetto with two dryads, Prince Aspen and Princess Alder, as bodyguards. The Doctor discovers the house's woodwork infested with insect-like creatures he calls Dryads. The dryads () were "oak spirits" of the forest. Some are dryads who guard natural creations such as forests, seas, mountains, land and air. On the way home, the player character rescues an old man from Plague-maddened dryads. Woodrue is an exile from an interdimensional world (Floria) inhabited by dryads. Like other dryads, they can shape-shift from trees to humans. Like the dryads, the keepers of the grove are the children of Cenarius.