In Aztec beliefs, the god Huitzilopochtli represents war, the sun, and human sacrifice. He is regarded as the national god of the Aztecs, symbolizing strength and protection in battle. Huitzilopochtli was believed to guide the Aztecs in their conquests and is particularly associated with the founding of Tenochtitlán. His cult emphasized the importance of human offerings to sustain the gods and ensure the renewal of life, highlighting the intricate relationship between divinity and human sacrifices within the Aztec worldview.