Erling Haaland sent a warning to Manchester City‘s rivals after scoring five goals in their 6-2 FA Cup rout of Luton Town on Tuesday, saying he was back to his best and that “we’re ready to attack.”

Haaland had scored only three goals in seven appearances since making his comeback from a foot injury that ruled him out for more than a month between December and January.

But the Norwegian striker looked back to his prolific peak at Kenilworth Road with a first-half hat trick and two more after the break as City cruised into the FA Cup quarterfinals.

In doing so, Haaland became the first topflight player to score five goals in an FA Cup match since George Best struck six for Manchester United against Northampton Town in 1970.