Prince Asriel Dreemurr is the biological son of Asgore Dreemurr and Toriel, as well as the Prince of monsters. As a child, he befriended Chara, who was the first human to have fallen into the Underground and adopted by Asriel's parents, officially becoming brothers who had a strong friendship. Chara, intending to free monsters from the Underground, ate buttercups and passed away, allowing Asriel to absorb Chara's human SOUL as part of their plan. Asriel traveled across the Barrier and to Chara's home village, where he was assailed by the humans for supposedly killing Chara, leading Asriel to die from his wounds on the flower garden in New Home. After a Golden Flower with Asriel's essence was injected with Determination, Asriel returned to life as Flowey