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

Lost Lace
Tormented Trobbio
Winner
Trobbio
Eliminated
Shrine Guardian Seth
Winner
Nyleth
Eliminated
Groal The Great
Winner
Second Sentinel
Eliminated
First Sinner
Winner
Lace 1 (Deep Docks)
Eliminated
Phantom
Winner
Pinstress
Eliminated
Fourth Chorus
Winner
Great Conchflies
Eliminated
Gurr The Outcast
Winner
Plasmified Zango
Eliminated
Widow
Winner
Crust King Khann
Eliminated
Disgraced Chef Leguli
Winner
Raging Conchfly
Eliminated
Moorwing
Winner
Father Of The Flame
Eliminated
Lost Lace
Winner
Skull Tyrant
Eliminated
Skarrsinger Karmelita
Winner
Watcher At The Edge
Eliminated