An obsession with the idea of power, especially in the domination of others.

शक्ति की प्रवृत्ति

English Usage: His megalomania led him to believe he could control the entire company single-handedly.

Hindi Usage: उसकी शक्ति की प्रवृत्ति ने उसे यह विश्वास दिलाया कि वह अकेले कंपनी पर नियंत्रण कर सकता है।