 The 17th century saw a steady expansion of its territory and, under Narasaraja Wodeyar I and Chikka Devaraja Wodeyar, the kingdom annexed large expanses of what is now southern Karnataka and parts of Tamil Nadu, to become a powerful state in the southern Deccan.The kingdom reached the height of its military power and dominion in the latter half of the 18th century under the de facto rulers Hyder Ali and his son Tipu Sultan.The latter demolished parts of Mysore to remove legacies of the Wodeyar dynasty.