Battle against a true hero Ultimate Mashup V3

This is probably the last time I make a mashup of this song, but enjoy! Instrumental - Rock Bomber https://www.youtube.com/watch?v=xLLdGtCUSdc mandopony https://www.youtube.com/watch?v=WpR-fXpuidQ Jeffrey Watkins https://www.youtube.com/watch?v=8kiQWqQCnvg VOCAL - Lemonlight Productions - https://www.youtube.com/watch?v=LjOJI4kgFyQ RADIX - https://www.youtube.com/watch?v=ynckjbt5YNY MILKYCHAN - https://www.youtube.com/watch?v=Uz7FY5cUY6s 0R30 - https://www.youtube.com/watch?v=KrZYQxc3v9U khtl13 - https://www.youtube.com/watch?v=i68cHX-HYhA sakuchan - https://www.youtube.com/watch?v=L_gCmz32jAc background - https://www.deviantart.com/art/UNDERTALE-Waterfall-577301820 foreground - https://gannadene.deviantart.com/art/Undyne-the-Undying-566977240 https://v0idless.deviantart.com/art/Undyne-the-Undying-619310203 https://corvusam.deviantart.com/art/Undyne-the-Undying-698219407 https://shadowolfz.deviantart.com/art/Undyne-the-Undying-586648084 https://azurite-draws.deviantart.com/art/The-Undying-621691668