The ablative is a causative case.

Wessex was facing new barbarians, apparently intent on destroying everything that Christendom meant for England.

They were the primal and destructive entities that, as lore has it, were bent on the destruction of man- and godkind. Also associated with this rune is the energy of Thor. He is the protector of man- and godkind.

That broad wouldn't have no fugazy diamonds in her house. We had information the broad didn't have no fake jewelry. It's three fucking carats!