After DST sans's attack , def , hp increase to ??? -DST

Description: sans ATK ??? DEF ??? HP ??? Not the easiest enemy sans...? ATK 1000 DEF 5000 HP 9905 Seem like he got more power from the figure behind him... Very Very Interesting Phase 1 STMPWYHABT https://www.youtube.com/watch?v=3Lv2RSxiXY4 Phase 2 Megalovania https://www.youtube.com/watch?v=0FCvzsVlXpQ Phase 2.5 Megalovania 500% speed https://www.youtube.com/watch?v=NtmNwmrc4vw Phase 3 W.D.Gaster's Megaloavania https://www.youtube.com/watch?v=Jv2ptZwHl7M