But most importantly, even Sam Witwicky may have already explored a Cybertronian afterlife, as his sacrifice in the same film sent him to a plane of existence inhabited by the long-dead Primes.

Source: https://www.cbr.com/transformers-4-worst-villain-spiritual-question/

One day, a new Megatron () steals a Cybertronian artifact called the golden disk and flees through time and space to a planet full of raw energon.

Source: https://collider.com/cartoons-produced-in-canada/

These abilities seemingly allowed the two to attain Cybertronian Transformer bodies, with Nezha aiding the Autobots and Shiji fighting alongside the evil Decepticons.

Source: https://www.cbr.com/nezha-transformers-production-limbo-best/