Fatal Flaw in a Character, Like Achilles' Heel

This page is the CodyCross answer for the clue below from Time for a check-up, Group 1719, Puzzle 4 (Examination Table).

Question is: Fatal Flaw in a Character, Like Achilles' Heel

and the answer is: WEAKNESS

Word Meaning:

WEAKNESS — (uncountable) The condition of being weak.

Definitions from Wiktionary.

Fatal flaw in a character, like Achilles' heel — CodyCross Answer | CodyCross Solutions