The Warriors have lost centre Brent Tate for the season after being blitzed by the Broncos in Auckland last night.
The Broncos ran in five tries in an impressive 26-10 win. It was their third in a row and their first on the road under new coach Ivan Henjak.
The win leaves them as the only unbetaen side in the NRL.
The Warriors' problems were complicated when Tate was forced off with what was confirmed as a season-ending knee injury after 22 minutes when he was caught in a multi-player tackle while pushing for a try.
The loss of Tate, a hugely experienced Australian test player, will hurt more than this result for what lies ahead in this arduous campaign.
Versatile second-rower Simon Mannering was moved out to the centres and managed to get a consolation try after the Broncos had romped out to a 26-nil lead.
But there was no fairytale comeback from the Warriors this week as they put in a flat effort early and never recovered, unlike last Sunday's heroics against Manly in Sydney.
"We coughed up too much ball, gave them too much ball," lamented Warriors captain Steve Price.
Two late tries added some respectability to the scoreboard but didn't ease the pain as the Warriors slumped to their first loss of the season.
The defeat ended a run of seven wins at home on their beloved Mt Smart Stadium where 24,000 fans packed the ground for this highly anticipated match.
But little should be taken away from the Broncos' performance in this impressive performance.
They played at a furious pace and had too much firepower across the field for the Warriors.
Ivan Cleary's side were blighted by handling errors and missed tackles at crucial times, frustrating themselves and their fans.
The Broncos' emphatic win will help erase last year's nightmares against eh warriors when they lost both fixtures. They are now 15-9 overall against the New Zealanders and 7-6 at Mt Smart Stadium.
They stamped their authority early in this match and never relented as Darren Lockyer and Peter Wallace took charge in the halves.
The Warriors were stung by two tries in three minutes to Joel Clinton and Steve Michael early in the match and never recovered.
The Warriors enjoyed a good period in the middle of the first half and were denied a try to Joel Moon when referee Jason Robinson correctly ruled a double movement as Moon struggled to the line.
The Warriors were immediately stung at the other end when big prop Dave Taylor broke free and threw a good pass for Israel Folau to dive over in the corner.
The Broncos led 16-nil at halftime and had a Karmichael Hunt try disallowed immediately after the restart when defending Warriors wing Denan Kemp was taken out ingoal.
There was no mistake though when youngster Alex Green zoomed in off a sweet pass from Lockyer.
Lockyer did the business himself soon after as the Broncos kept the ball alive with some dazzling handling skills and it was all over for the Warriors at 26-nil.
Not that the Warriors were finished and they bravely showed some fighting spirit.
Price came off the bench to give them some go-forward and the momentum allowed Mannering to cross off a Stacey Jones pass and finally get the home side on the board after 56 minutes.
The Warriors finished strongly with rookie Ukuma Ta'ai finishing a good passage of play but a poor night for the home side.
Warriors 10: Simon Mannering, Ukuma Ta'ai tries; Denan Kemp goal.
Broncos 26: Joel Clinton, Steve Michaels, Isreal Folau, Alex Glenn, Darren Lockyer tries; Corey Parker 3 goals.
HT: 0-16