Overview
Ever wanted to do that True Pacifist route but don’t know how? You’ve come to the right place!First, let’s look at all of the requirements you need before you can do a True Pacifist route:You MUST complete a Genocide or Neutral route before doing the True Pacifist route. if you don’t, you won’t get a True Pacifist ending.That’s basically all you need to do before starting the True Pacifist route! After you’ve completed your Neutral/Genocide route, Flowey tells you to reset and NOT kill anyone this time. Listen to what Flowey said.Sadly, the True Pacifist route requires more than just “not killing anyone”. You must do some other things as well! Here is the list for doing a True Pacifist route:After fighting Papyrus at snowdin, go on the hangout/date with him. (To go on a date with Papyrus, press SPARE once when the fight starts so he turns you blue. then spam FLIRT the rest of the battle.)After running from Undyne, go to the riverman and ask for him to take you back to waterfall. (you should be in hotland, the riverman is located at the bottom.) and then enter Undyne’s house to start the hangout with her. (Undyne’s house is near Napstablook’s house.)After beating Mettaton EX at the CORE, exit Mettaton’s battle arena and backtrack to the MTT Hotel. While walking back to the MTT Hotel, you should get a phone call from Undyne & Papyrus telling you to backtrack to Snowdin. Once you backtrack to snowdin, (you can take the riverman to go to Snowdin quickly.) visit Sans & Papyrus’ house. Undyne and Papyrus should be standing outside of it. Talk to Undyne and she will give you “Undyne’s Letter”. Afterwards, she’ll tell you to go deliever the letter to Dr. Alphys. Do it.Once you reach Alphy’s Lab to deliever Undyne’s Letter, Slide it under her lab’s door and she’ll pick it up and open it. After that, you will enter a date with Alphys. After doing the date with Alphys, you should get a call from Papyrus when you’re about to exit the Garbage Dump. He’ll tell you to go back to Alphy’s Lab once again. Do it. Once you’re there, you’ll find a letter from Alphys. It’ll tell you that it’s time you’ve learned “The Truth”. Enter her “bathroom” and you’ll be greeted by an elevator. The elevator will “malfunction” and you’ll be transported to the “True Lab”. Collect all of the keys while fighting Amalgates, and then return to the door at the entrance of the True lab once you’ve collected all the keys. Open the door and then turn the power back on. Go to the right and turn back on the power. The Amalgates will close in on you but then Alphys will enter the area and tell them to “shoo”. Alphys says a pretty long speech and then walks off. Head back to the elevator.Once in the elevator, you should get a phone call from Asriel Dreemurr telling you that he’ll “See you soon”. The elevator will turn on and take you near the castle. Continue walking until you reach the castle. Phew, that’s it! Every requirement (with a little bit of walkthrough) for the True Pacifist route! Optional things that you don’t have to do:Go to Grillby’s with sans when he asks you to at Waterfall.Go on the date with sans at MTT Hotel.Sorry if there’s any spelling or grammar mistakes. I made this at 4 AM.I hope this helped you do a True Pacifist route!