"It's the biggest week of my life actually and things just keep getting better and better," said Bromwich. "[But] I am just taking it as it comes. I'm hoping to prepare as well as I can to give us the best opportunity come game time."
Bromwich dismissed ideas that the Kangaroos pack might be vulnerable, with first choice selections Aaron Woods, Josh Papalii and Shannon Boyd all now unavailable.
"They have always got a big selection to choose from and some guys were probably a bit unlucky to miss out," said Bromwich. "But with the team they have they are looking very dangerous."
Instead, the microscope should be on the Kiwis forwards, who have failed to live up to their reputations over the last two years. In the 2014 Four Nations - and especially in the Anzac test victory the following year - they were unquestionably the best pack in the league world.
There was size, power, footwork and offloads, and the sight of Kangaroos forwards being scattered like ninepins was becoming a regular occurrence.
But since then their status, like the Kiwis No1 ranking, has slipped. They were edged by the English forwards on the 2015 northern hemisphere tour, then saw a makeshift pack demolished last year in Newcastle. The 2016 Four Nations was equally disappointing; after a strong start against England, they failed to make an impression against Australia (twice) and Scotland (an 18-18 draw).
With Australia's formidable cohesion and backline advantages, the Kiwis forwards have to rediscover their mojo on Friday.
"I'm not sure how much [we] have got to prove to others but [we] have got a bit to prove to [ourselves]," admitted Bromwich. "Getting called into this game in a massive honour and [we] are looking to put in a massive performance."
The Kiwis train at Leichhardt Oval today before travelling to Canberra ahead of Friday's match.