18 size and 18 str. Bison rider gets +2 size. Air rune for +2 str. Darkness rune for +1 size. So 20 str 21 size for 2d6 dmg bonus.
He would drive his enemies before him and listen to the lamentations of the women. Of course, in the Dino De Laurentiis Glorantha the Lunars capture him and put him in the Gladiator pits, eventually sending him to Kralorela to learn. And he hates Ernaldans cuz, you know, that snake thing.