Lord Asriel is a prominent character in Philip Pullman's His Dark Materials trilogy. He is depicted as a powerful and ambitious scholar, known for his exploration of parallel universes and his quest for knowledge. Asriel is the father of Lyra Belacqua, the series' main protagonist, and plays a crucial role in the overarching conflict between different worlds. Asriel is characterized by his strong will and determination, often willing to challenge authority and conventional beliefs. His complex personality includes both heroic and morally ambiguous traits, making him a compelling figure in the narrative. His actions significantly influence the fate of the characters and the worlds they inhabit.