Since he is a demon, Demiurge is considered to be one of the cruelest members in Nazarick, taking great joy in the suffering of other races. he enthusiastically performs magic experiments on the prisoners sent to him, viewing them as nothing less than toys for his own amusement. Demiurge takes pleasure in seeing the chaos and pandemonium he had incited within the hearts of his subject. he has a high level of intelligence and strategic thinking. He is keenly analytical.