The 36-20 win also gave them early bragging rights in the Battle of the Carpark against their rivals.
It was a tit-for-tat first half as every time Athies scored, Blues countered.
Nursing a slight 19-15 lead at halftime, Athies came out of the sheds hot, scoring two quick tries.
The first came after Aitauangaa Osamu charged down a clearance and regathered it to score.
They then worked their way down the field and prop Mateo Qoliesse found himself in space.
He burst through a tackle and then offloaded to Posiano Kamoto to score.
Blues needed to score next and did as they spent an age in the Athies 22m.
With the penalties piling up, they finally cracked the defence through winger Seva Druma.
Their hopes of a comeback were short-lived as Epineri Logavatu scored for Athies to put an exclamation mark on a big win.
They played with great tempo and physicality throughout as well as their signature flair.
Huge shifts from Qoliesse, Logavatu, Rabaka and Paea Fifita in the forwards led from the front.
Seru Cavuilati impressed at halfback with quick delivery to his forwards and backs alike and Kamoto carried hard time and time again in the midfield.
Up the valley, Kurow beat Maheno in a country classic that saw 12 tries scored.
Down 26-14 at halftime, the Red Devils kicked in to gear in the second 40.
They ran in four converted tries to take the win 42-40.
In the final game of the round, Valley beat Old Boys 26-24 in a nail-biter.
First five Isaac Clunie nailed four penalties to power his side to victory.
It also meant there were no undefeated teams in the competition remaining after just three rounds.
