The fortune teller said that the life gate is at the sole of the foot _ where is the life gate?

In Greek mythology, there was a man who was invulnerable, and only the soles of his feet were his fate. What's the name of this god?

Achilles is a hero in Homer's Iliad, born by Thetis, the goddess of the sea, and Peleus, the mortal hero. He was a demigod and demigod hero who took part in the Trojan War. After birth, she was held by her mother's heel and immersed in the Styx. Except that she didn't touch the heel of Styx, she was invulnerable all over. Killed the Trojan commander Hecktor in the Trojan War, which turned the Greek army from defeat to victory. Then he was shot in the heel by Apollo, the sun god, and died