Secondary character Adol is named after Ys main character.
Simon Del Monte, his brother Ralph and its holy zombie-vanquisher Legacy Weapon sword are a blatant reference to Castlevania.
When Mink and her friends arrive at the Azatodeth Island Base, at the beginning it behaves like a Dragon Quest game. There are random encounters every few steps, and a random warrior fights a tree with banners showing how many damage points he has got.
Vena being the daughter of a king who married a Slime is taken directly from Makai Toshi SaGa.