Lernaean Hydra just to slay Heracles. Upon reaching the swamp near Lake Lerna, where the Hydra dwelt, Heracles covered his mouth and nose with a cloth to protect himself from the poisonous fumes. He shot flaming arrows into the Hydra's lair, the spring of Amymone, a deep cave from which it emerged only to terrorize neighboring villages. He then confronted the Hydra, wielding either a harvesting sickle (according to some early vase-paintings), a sword, or his famed club. The chthonic creature's reaction to this decapitation was botanical: two grew back, an expression of the hopelessness of such a struggle for any but
Lerna several had central circular hearths. Narrow lanes separated houses. A great profusion of unlined pits ("bothroi") was characteristic of this phase: eventually they became filled with waste matter, bones, potsherds, even whole pots. The pottery, markedly discontinuous with Lerna III, shows a range of new forms, and the first signs— regular spiral grooves in bases and parallel incised lines— marking the increasing use of the potter's wheel. Painted linear decoration in dark glaze on the pale body is characteristic of Lerna IV. Caskey identified early examples of the ware that in Middle Helladic contexts would be recognized as Minyan ware,