Asgore Fight Pacifist — Simulator

Use the Talk command three times. This lowers Asgore's Attack and Defense as he remembers his past and loses his will to fight.Eat the Butterscotch Pie during the battle. The smell of Toriel's cooking reminds Asgore of his home and significantly lowers his stats.Master the orange and blue eye flashes. Asgore’s trident swipes require you to move during blue flashes and stay still during orange ones.Keep your HP high. His fire spiral patterns can be difficult to dodge, so carry items like Legendary Heroes or Cinnamon Bunnies. The Emotional Climax

Here is where the "Pacifist Simulator"

After the battle, the simulator gives you a summary: asgore fight pacifist simulator