The magnitude of English's triumph consequently cannot be overstated. He has defied political gravity, which normally dictates that any three-term regime falls faster than Isaac Newton's apple.
English's success in keeping National's share of the vote well above the 40 per cent mark for the fourth straight election is on a par with John Key's raising it to that level in the first place. Arguably, English's victory might rank even higher.
Key was never confronted with having to defeat a Labour leader possessing the electoral X Factor in such quantity as Jacinda Ardern.
That National has won the battle, if not yet the war, came down to English's cognisance of a longstanding maxim of New Zealand politics --namely that elections are won and lost in the cities and towns in the provinces. That is why English spent so much of the campaign barnstorming the regions.
John Key painted the map of provincial New Zealand dark blue during his tenure. His successor's survival hung on English applying a fresh coat of enamel to keep that map so coloured.
It is in the likes of Hamilton, Hastings, Timaru and Gisborne where a mood for change sweeping all before it in metropolitan New Zealand runs into the innate conservatism of middle New Zealand.
It is there that English indulged in "wedge politics" -- a politician's use of polarising issues to drive a wedge between his or her opponent and the voters backing that opponent.
It isn't pretty, but can be effective, especially when your opponent hands you those issues -- be it a water tax or a capital gains tax -- on a plate.
National's campaign in the regions was not totally negative, however.
The preliminary results displayed another mood for change.
It was writ large across the minor parties. They tried to seek solace from the slaughter by saying it was early days.
But the more they said that, the more obvious it was that it wasn't.