The injury-hit Western Force slumped to their 12th loss of the Super Rugby season as the Blues finally found their attacking mojo in a dominant 32-9 bonus-point triumph at Auckland's Eden Park on Saturday.
The Force, already without star back row trio Matt Hodgson, David Pocock and Ben McCalman, lost stand-in skipper Nathan Sharpe before the game due to a back injury, while inside centre Winston Stanley dislocated his shoulder in the second half.
Despite the lack of first-choice talent, the Force trailed by just four points at half-time, before the Blues ran in 19 unanswered points in the second half to secure just their third win of the year.
All Blacks centre Ma'a Nonu notched his 100th first-class try in the rout, while flanker Steven Luatua, fullback Charles Piutau and No.7 Luke Braid also crossed for the Blues.
Force five-eighth Ben Seymour nailed three first-half penalties, but the visitors failed to add to that after half-time.
The Blues' win lifted them above the Force into 13th spot on the table.
The Force led 6-3 after 24 minutes following two early penalties to Seymour and winger Napolioni Nalaga did well to put his body on the line to deny Nonu a try in the 28th minute.
But Nalaga couldn't repeat his defensive heroics when flanker Luatua barged over in the 30th minute.
Seymour kicked his third penalty of the night nearing halftime, but the Blues took a 13-9 lead into the break when winger Lachie Munro hit back with a three-pointer of his own after the siren.
The Blues entered the match having lost 10 of their past 11 matches, but looked anything but a side bereft of confidence in the second half as their running game finally clicked.
The Force battled valiantly to defend the attacking raids, but their defensive wall eventually cracked badly as the likes of Nonu ran riot.
Force centre Will Tupou could find himself in some strife for a lifting tackle on Blues lock Andrew Van der Heijden in the first half.
The Force finish their season with a tough match against the Crusaders in New Zealand next Saturday.
BLUES 32 (Luke Braid, Steven Luatua, Ma’a Nonu, Charles Piutau tries Lachie Munro 3 cons 2 pens) bt WESTERN FORCE 9 (Ben Seymour 3 pens) at Eden Park. Referee: Andrew Lees.