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xkcd #3123: Canon
(imgs.xkcd.com)
Title text:
Achilles was a mighty warrior, but his Achilles' heel was his heel.
Transcript:
Transcript will show once it’s been added to explainxkcd.com
Source: https://xkcd.com/3123/
Saw a reddit screenshot the other day of someone asking what's Superman's kryptonite lol
blessedly "achilles' heel" won't run into this issue, if the person is at all capable of thinking for a second
So you're saying it will run into this issue.