I can't bear Failed Champion. I'm on Switch. Here are the charms available to me. What can work? : r/HollowKnight
Spoilers) Charm setup to cheese Failed Champion. For this to work hold super dash at the top of one of the arena walls, and make sure to attack home when's he's down
Charm Tier List | Fandom
Hollow Knight Bingo Card
Hollow Knight Epic BOSS FIGHT Failed Champion (How to Defeat Failed Champion) - YouTube