phase 1 : basicly how a normal fight would start Phase 1.5 : Sans is tired out so Papyrus is attacking With full power, But in the end Chara slash's Sans twice. because yes. phase 2 : Only papyrus attacks Phase 2.5 : sans dies But gaster revives Him by Glitching the code but sans will watch phase 3 phase3.5 : papyrus dies forever phase 4 : Sans attacks you with everything. phase 4.5 : Sans talks to you then dies.