Are Hollow Knight's Worst Charms Really That Bad?

Hollow Knight's got a lot of really good charms.... and some really really useless, and in some cases, actively detrimental charms. What are they, and do they potentially have any niche use cases that redeem them? (no)
Also, what's the worst possible charm build you could possibly equip??

Also, thank you so, so so much for 100k subs! really appreciate it. I'll hopefully continue to make silly things you all enjoy :D sorry for the lack of uploads recently btw, i've been lazy lmao

CHAPTERS:
00:00 - Intro
01:33 - Bad, but redeemable charms
03:34 - Glowing Womb
07:45 - Heavy Blow
12:22 - What's the worst possible charm build???

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Music used:
Hollow Knight OST by Christopher Larkin

Thumbnail by frogmarss:   / frogmarss