They'd dominated as soon as the second half got underway.
But the never-say-die Raiders left it to Robinson for a stirring late comeback, adding to his two tries from the first half.
Robinson had scored both those tries in the dying minutes of the first half to turn a deadlocked scoreline into a 16-6 advantage.
It was the Raiders who opened up the scoring after nine minutes, with Edrick Lee scoring out wide from a Jarrod Croker pass.
For the first 20 minutes, the Raiders were relentless in attack, but despite losing Ben Creagh, Beau Scott and Brett Morris to State of Origin duty, the Dragons were up to the task.
They managed to hold the Raiders off and when Bronx Goodwin crossed on the left wing, the Dragons suddenly found themselves on equal footing at 6-6.
That looked to be the scoreline even four minutes to go before the break, before Robinson launched his late two-try burst.
In the first he was helped after being bundled over the line by Matt Cooper's momentum, while the second he managed all on his own motor.
Joel Thompson made an impressive line-break before passing to Robinson, who dashed 40m to the line.
Dragons coach Steve Price refused to buy into the hoodoo talk, having previously called it a "load of crap''.
But captain Ben Hornby conceded it rang true for the Raiders at least.
"It's belief,'' he said.
"When they play us, they believe they can win and you can't underestimate what belief does for a side.
"Until we have a win, and a couple of wins, they're going to have that.''
Price rued the loss, arguing the game was in the bag but for one defensive error.
But Furner said afterwards that the points had always been for the Raiders' taking.
"I just thought if we got to a certain position where we'd worked hard on, that we'd get an opportunity to score some points,'' he said.
"It was very clever.''
The Dragons have a bye week to stew over the loss, while the Raiders prepare to meet Melbourne away at AAMI Park on Saturday.
- AAP