HARDEST BOSSES
The hardest bosses in the games I have played, ranked.
11 Games
Sans
1
Valkyrie Queen Sigrun
2
Grim Matchstick (and pretty much every other boss)
3
Ruby Weapon
4
Master Core
5
Emerald Weapon
6
Dr. Wily
7
Captain K. Rool
8
The 9th Sister
9
King K. Rool
10
Gruntilda
11