Ajatashatru
In some sources, Bimbisara was imprisoned and killed by his son and successor, Ajatasattu (or Ajatashatru), under whose rule the dynasty reached its largest extent.
Vaishali, ruled by the Licchavis, went to war with the kingdom of Magadha at some point, due to a border dispute involving gem mines.
He is thought to have ruled from 492 to 460 BCE. Due to his expanding stategy, he incorporated kashi and vajji into his kingdom. Lord Buddha got nirvan in his eighth year of his rule. He built a stupa in Rajgirha on the Ashes of Lord Buddha. First Bodh sangati was held during his rule in Rajgirh in which Bodh education was scripted in two books named sutpatika and vinyapatika. He ruled 28 years according to Purana and according to Bodh he ruled 32 years. Udayin killed him and became the king of magadha.
Read more about this topic: Haryanka Dynasty