undying

Undyne is a fish-like monster and the captain of the Royal Guard in the 2015 video game Undertale and the 2018 game Deltarune. She serves under King Asgore, protecting him and patrolling the Underground for humans. Undyne is the third boss in Undertale and is known for her passion and strong abilities. She has a Hyper form with no visual changes, but she uses her abilities faster and more powerfully.