Fully devoted to mastering the family's traditional art of sorcery, he takes his training very seriously to the point of his younger sister's lack of interest in magic greatly frustrating Luthier as no matter how hard he trains, he will never reach the heights Delthea is capable of reaching.

Such dedication causes Luthier to show narrow interest to the people of society, with Delthea often berating him for being so reclusive to the point which he admits that his only friend in his village was a cat. However, Luthier does manage to befriend Alm, his first real friend.