 In the year 315 BCE, he invaded Arcadia, and got possession of the town of Stymphalus (modern Stymfalia).The majority of the Argives were hostile towards Cassander, and while Apollonides was engaged in Arcadia, they invited Alexander, the son of Polyperchon, and promised to surrender their town to him.But Alexander was not quick enough, and Apollonides, who seems to have been informed of the plan, suddenly returned to Argos.