It cannot be long before the Premier League open an investigation into Erling Haaland.
This is the toughest competition in the world, a fiercely intense test of body and mind that brings the very best from all other leagues crashing down to earth when they encounter it. Even somebody with as much genius as Pep Guardiola had to go through humblings at Leicester and Everton and spend hundreds of millions of pounds before he was able to get the success that he craved.
Not Haaland. That miss in the Community Shield feels like a lifetime ago and talk of him having to adapt to Guardiola's demands or cope with a so-called Bundesliga Tax even more ancient.
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A second-half hat-trick against Crystal Palace on Saturday was followed up by a first-half hat-trick against Nottingham Forest, ruthlessly killing the hopes of the newly-promoted side and in the process becoming the first player in Premier League history to register nine goals in their first five appearances. Sergio Aguero, City's club record scorer and the man the Norwegian has been signed to replace, was previously the joint holder of that record.
An evening that was intended to be the first proper look at Julian Alvarez, another young man with a bright Blue future, was instead hijacked by Haaland as every moment, opposition player, and match is in danger of being if he can maintain this superhuman level. Currently, he is outscoring 15 Premier League teams.
If Forest could pat themselves on the back that it took the 22-year-old 12 minutes to touch the ball despite the early dominance of the hosts, his first touch ended up in the back of the net. Phil Foden swung a short ball from a corner into the box and Haaland held Joe Worrall off in another postcode before flicking the ball past Dean Henderson.
Just over 10 minutes later, it was two after the Norwegian's pressure on Henderson (remember when people said he wouldn't press?) caused a ropey kick from the keeper that Bernardo controlled and sent back to end up with the sight of an open goal for the No.9 to roll the ball into after a one-two with Foden.
Forest may not have shown much ambition but had barely put too many feet wrong at the Etihad, only to find themselves out of the game. And it would only get worse.
Haaland was initially denied a hat-trick when John Stones turned home his header from a corner only to be ruled offside, but the centre-back made amends shortly afterwards by heading the ball across for another tap-in to complete an inevitable yet incredible hat-trick. Good strikers make the game look easy and City's latest superstar barely needs to break a sweat to break a goalscoring record.
To say Haaland is a masterclass in being incredibly clinical though, it needs to be said that he has rocked the Etihad as much as he has rocked the Premier League. The ice running through his veins does not stop the boyhood City fan from whipping up the crowd at every opportunity and this - a midweek game against a team that were in the Championship last year - was arguably the best atmosphere of the season in the circumstances.
Guardiola spoke on Tuesday of how delighted he and the players feel about the stadium being noisier, and while it is not all down to Haaland there is no denying just how giddy he makes all four stands go when he nears the ball - as gleeful as the opposition players are terrified.
Perhaps surprisingly, Guardiola kept this new talisman on for the second half and while Forest did not suffer any more at his hands City piled on more pain anyway. Bernardo Silva used his telepathic understanding with Portugal teammate Joao Cancelo to feed the defender on the edge of the box and he sent a rocket in for the fourth, earning several minutes of renditions of Bernardo's song from the supporters.
Cole Palmer and Riyad Mahrez had been called for from the bench at this point, given more than half an hour to show why they should be more involved in future matches. Kevin De Bruyne didn't have anything to prove but came on after the fifth goal just to rub salt into Forest wounds.
That goal was scored by Alvarez, who looked sharp enough on his first start to back up the praise showered upon him by the City hierarchy and got on the scoresheet with a well-taken finish after being slipped through by Mahrez. The appreciation from the home supporters when his name was read out spoke volumes of the player they think they have on their hands.
He added another before full-time too with a super effort that had shades of Sergio Aguero, cracking in off the crossbar after the ball bounced off the head of a Forest player in the box. Even if Haaland gets a rest, good luck trying to stop this guy.
The team display was good enough to equal a club record of scoring multiple goals in 14 consecutive Premier League games and now have 14 from their first three home games of the season. With Liverpool struggling at home to Newcastle to add to their issues, no wonder there is delirium drifting across east Manchester.
As much as it would be unfair to dismiss the Premier League title-winning machine that Guardiola has built, there is equally no way of ignoring the magnificence of Erling Haaland and the astonishing impact that he had reined upon a side that really did not look as though there was much to build on.
There will come a time when another club joins Scott Parker's Bournemouth on the list of teams that stop such a prolific striker. And with games coming thick and fast for the rest of the season, City's manager will not be afraid to leave him out of the team.
However, as it stands Haaland looks unstoppable. The Premier League can only watch on nervously as a young upstart threatens to make mincemeat of their reputation as the best and most competitive league in the world.
Everyone else inside the Etihad can't wait to watch him again.
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