It is said that King Canute once placed his throne on the shore and commanded the sea not to get his feet wet, thus proving to his flattering courtiers that only God Almighty holds sway over the elements. “But sire!” I would have told him, if I’d been one of the aforesaid lickspittles. “Why not lay down spike strips and park a couple of flamethrowers in the shallows?” I would have said this because I have just been playing Swarmbreaker,…