FIGHT

To win the fight on a Pacifist run, you must ironically until his HP is nearly depleted, as he destroys the "MERCY" button at the start of the encounter. Once his health is low, he will kneel, allowing you to finally choose the "MERCY" option. Preparation & Gear

The Sparing Threshold:

Once Asgore is at critical HP (on his knees), the simulator should replace the broken button with a functioning "Spare" option, leading to the final dialogue. 2. Stat Manipulation (The "Talk" & "Pie" Triggers)