kryptonite

Example:Her hard work is her strength kryptonite, making her succeed against all odds.

Definition:Great physical or mental power, especially as manifested in power of resistance, endurance, or capacity for exertion.

Example:His adaptability was his toughness kryptonite, making him resilient in the face of adversity.

Definition:The capability of a material or system to regain its shape after being bent, compressed, or stretched; also, the ability to recover from or adjust easily to misfortune or change.

Example:His courage was his fortitude kryptonite, making him strong in the face of danger.

Definition:Strength of mind enabling one to endure adversities or endure tribulation, hardships, indignities, or distress without yielding.

Example:His expertise was his knowledge kryptonite, making him superior in his field.

Definition:A state of being superior or greater in quality, degree, or rank.

Example:His invulnerability was his protection kryptonite, rendering him immune to most harm.

Definition:The quality or condition of being immune to attack, damage, or injury.