Forced to die just after becoming invincible in Warhammer?

When I first traveled through time, I thought I was just traveling to the past, to the time of primitive people, when humans were just being born.
He also possesses superpowers and is immortal, so he can return to the 21st century alive.
But after a while, I found a child named Neos from the neighboring tribe whose parents had died.
Well, it’s not a big problem. After all, I haven’t watched Warhammer, so I don’t know how serious the situation is.
Even if you have the Feng Aotian template, you may still end up with a clown-like fate in Warhammer!
What should I do? It's simple. I'll just become a god.