What influenced Chandragupta Maurya to become Digambar Jain Monk?

Chandragupta Maurya (born c. 340 BCE, ruled c. 320 BCE, – 298 BCE) was the founder of the Maurya Empire. He succeeded in conquering most of the Indian subcontinent and is considered the first unifier of India as well as its first genuine emperor. He was the first emperor of India. He brought almost all of the south... show more Chandragupta Maurya (born c. 340 BCE, ruled c. 320 BCE, – 298 BCE) was the founder of the Maurya Empire. He succeeded in conquering most of the Indian subcontinent and is considered the first unifier of India as well as its first genuine emperor. He was the first emperor of India. He brought almost all of the south Asia under his control. He defeated many kings including .selucos Necoter, General of the great Alexander. Chandragupta became a Jain monk and took sallekhana at Shravanbelgola in Karnatak. But I want to know that what influenced him to renounce the world and become jain monk. I heard he saw 16 dreams about upcoming future and decided to become digambar jain monk after that but I would want to know whole reason.
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