Eternity has peach-colored eyes and short light blue hair. She pair of very large black and yellow wings, spotted with bits of blue and purple. She also has a large two-pronged yellow osmeterium on her head. She wears a black shirt with black and yellow swallowtail-inspired sleeves and collar, a line of blue spots down the left side, and a large green leaf that encompasses her torso, resembling a pupa. She wears a light green skirt. She has a crown of leaves. She has become a goddess.