Board Thread:Questions and Answers/@comment-26313538-20160202013609/@comment-26884043-20160205053009

Start up your save file, talk with Undyne/Date Undyne. Then travel to Papyrus's house. Undyne will give you a letter. bring the letter to Alphys' lab and talk with her for a bit. Then, a date wil start. After it ends, visit the lab (again). You will be able to visit the 'bathroom'. Then go past that area, then, fight Asgore, have a pow-wow, and now, fight ______.