Asriel is the only biological child of Toriel and Asgore Dreemurr, and is the stepsibling of Chara Dreemurr. Despite also being stepsiblings with Sans and Papyrus, he had always seen them as great friends and enjoys the time he spends with them. He's pretty smart, having picked up a few cool things from Sans, and can be emotional, like his stepbrother Papyrus. The one person he relates to the most however is Chara, as they are the closest anyone can be. Asriel had always had great power within him, but he never knew how to control it, often times destroying something unintentionally, or hurting someone on accident. He's like a ticking time bomb ready to go off at any second. Since Asriel is heir to the throne, Asriel does spend a lot of time with the different monsters of the underground, but especially likes to help out Alphys at the lab whenever he has free time. His weapon of choice are, of course, his Chaos Sabers! Although he's not very good with them, he is taking sword lessons from Sans so he can use them better. He can launch energy beams from swinging his sword alone, which is a reference to the Legend of Zelda series, in which Link can fire energy beams when at full health. he has other abilities as well, but those will be explained another day

[How Asriels voice would sound is soft, kind and gentle. He sounds young, but not mature enough to be seen as an adult yet. Kinda like how Gohan sounds in DBZ at his teen age, but not as raspy sounding]