Argor: "For this to be true, the son must have been slain in battle, and the father mortally wounded."
Amon Amarth aren't too anal about following Norse Mythology to the letter. It's more likely his son just died of illness of some sort, as was extremely common prior to the days of healthcare, vaccines, medicine, etc.
The line "Death smiled at him its deadly grin
There is no one for me to blame" further suggests this is the case.
Argor: "For this to be true, the son must have been slain in battle, and the father mortally wounded."
Amon Amarth aren't too anal about following Norse Mythology to the letter. It's more likely his son just died of illness of some sort, as was extremely common prior to the days of healthcare, vaccines, medicine, etc.
The line "Death smiled at him its deadly grin There is no one for me to blame" further suggests this is the case.