None.

With his spear, a man "wipes out" multiple people and horses who are about to invade a town. No blood.

A male character uses his mouth to blow lots of trees and rocks toward a man and a horse.

None.

None.

The attempted invasion and the appearance of the main villain may be a bit scary for some small children. But this shouldn't be enough to give them nightmare, as this Soviet cartoon has been made both for children and families anyway.