As Heracles shot amongst his enemies, the arrow passed through the creature and struck Chiron in addition. This arrow was tipped Using the toxic blood in the Hydra (whom Heracles experienced slain as his second labor). Even though Chiron could not die, the wound was incurable and agonizing. From https://elliottdezrk.blogdiloz.com/34678065/the-greatest-guide-to-desert-atv-tours