One day, he is treating a merchant's son but died of fevers due to the family not listening to Jeremus' advice, according to him. One of his feats is treating the lord of Almerra Castle of dropsy, this rewarded Jeremus gold and a corpse to dissect. He used to be be a university student, but his criticism of Galerian, a famous doctor in many university, led to his expulsion and wander around Calradia to take jobs as a surgeon. Jeremus is a foreigner who came to Calradia to offer his medical services.