Hollow Knight: Silksong - Best or Hardest boss
Fun or Difficulty, you choose how to rate them - Bosses notably with title cards - Does not include Summoned Savior and void variant of bosses such as Savage Beast Fly, Moorwing and etc (except those with title cards)
Champion

Skarrsinger Karmelita
Sister Splinter
Winner
Watcher At The Edge
Eliminated
Crawfather
Winner
Savage Beast Fly 2 (Far Fields)
Eliminated
Gurr The Outcast
Winner
Savage Beast Fly 1 (Chapel Of The Beast)
Eliminated
Widow
Winner
Garmond & Zaza
Eliminated
Shrine Guardian Seth
Winner
Bell Eater
Eliminated
Pinstress
Winner
Father Of The Flame
Eliminated
Cogwork Dancers
Winner
Lace 2 (The Cradle)
Eliminated
Second Sentinel
Winner
Raging Conchfly
Eliminated
Lost Lace
Winner
Plasmified Zango
Eliminated
Clover Dancers
Winner
Disgraced Chef Leguli
Eliminated
Crust King Khann
Winner
Skull Tyrant
Eliminated
Phantom
Winner
Lace 1 (Deep Docks)
Eliminated