Death

Heracles had a great many other adventures, in after years as well as in between his Labors. It was poisonous Hydra venom that eventually brought about his demise. He had allowed a centaur to ferry his wife Deianara across a river, and the centaur had attacked her on the other side. Heracles killed him with an arrow, but before he died he told Deinara to keep some of his blood for a love potion. Deinara used some on Heracles' tunic to keep him faithful, little realizing that it had been poisoned with Hydra venom from the arrow. Heracles donned the tunic and died in agony.