Both the aztec and the norse afterlife had a special afterlife for warriors who died in battle. why do you think this is?

Aztec and the Norse afterlife had several of special heavenly places for the warriors who died in battles, while other warriors or individuals are sent to the cold and terrifying underworld, known as Niflheim or can be referred to as hell for short. Individuals who are placed in the heavenly places are the people who have done numerous of generous deeds and/or have suffered misfortunes in their lives.