Ya'll are all missing the strategic reality here.
Neither SA nor Aurvandil can meaningfully harm one another. Both have huge food surpluses and major cultural pulls that draw certain players.
If the war becomes an EC-style long-haul, we're going to have a bipolar continent with a wasteland between us. Terran will just be ground zero for a battle and will be destroyed/segmented. Asylon, Barca, and D'hara will be interesting diplomatic chess pieces.