Heracles spent time excessively enjoying life in the company of one of his friends, a centaur, Pholus. Pholus offered him a cooked meat meal but tried to keep the wine corked. Unfortunately, Heracles made him have a drink.
It was a divine, aged wine, with a rich aroma that drew the other, less friendly centaurs from all around. The wine belonged to them and not to Heracles but he chased them away with arrows.
In the shower of arrows, the centaurs scurried off to Heracles' friend, the centaur teacher and immortal Chiron. One of the arrows grazed the Chiron's knee. Heracles removed it and applied a medicine, but it wasn't enough. During the wounding of the centaur, Heracles learned the power of the wound of the Hydra in which he had dipped his
