Everyone has their own personal heels or weaknesses, and there is not enough armor or strength to protect us (hopefully your online location will not be lost). Achilles is a Greek hero and a great warrior who fought in the Trojan War, but his enemies found a place he couldn't attack - the tendon at the ankle, now known as the Achilles tendon . However, before his death, when his power and strength were at its peak, his position was Achilles, and no one could beat him.