Its Time_dilation(time slowing), not time travel. Time Dilation is a difference in the elapsed time measured by two clocks, either due to them having a velocity relative to each other, or by there being a gravitational potential difference between their locations. After compensating for varying signal delays due to the changing distance between an observer ...
The Padma Purana classifies the 18 Mahapuranas according to the gunas.
The Padma Purana classifies these texts according to the three Gunas
and ascribes them to one or the other principal deity. Thus the
Vishnu, Narada, Bhagavata, Garuda, Padma, and Varaha, are Vishnuite
sattvika Puranas, and as such lead to salvation; the Brahmanda,
First of all very good question hard to find the answer and also there is no mention of successors of Kamsa in any document or website I referred.
And also there is mentioned that he has no successor in below paragraph but not confirmed too.
This below paragraph is from vaniquotes.org
As above paragraph describing Vedic civilization for wives of ...