Complex sentence: He is further intregued when, the night before he is due to visit the Princess he is approached by a young girl, who gives him a scarab as a talisman, to protect him from falling under Neir-akrit's spell.
Split into simpler sentences: He is further intregued when, the night before he is due to visit the Princess he is approached by a young girl. The girl then gives Hugh a scarab as a talisman, to protect him from falling under Neit-akrit's spell.