After a moving service to commemorate Anzac Day it was the Royals that hit the scoreboard first with a goal in the opening minute.
This seemed to lift the Demons though as a hard working midfield, led by Ali Smith and Dene White, found plenty of the ball early.
Perth captain Paul Bevan kicked his side’s first major at the 10-minute mark after a few of his teammates missed early shots at goal.
The home side was looking good and when key forward Fraser McInnes kicked Perth’s third goal they had opened up a break.
The highlight of the term for Perth fans came just before quarter time with Simon Tunbridge coming off the bench to kick a superb 50 metre goal and then taking a wonderful mark to convert another.
At quarter time, the Demons were in front by 14 points after kicking 5.5 to 3.3.
Perth continue their fine form in the second term through a rock solid defence led by the courageous Matthew Tedesco and key backman Jared Risol, who kept the Royals Josh Smith quiet.
East Perth hit back through the lively Matthew Seal, however, Perth continued their scoreboard pressure through Matthew Moody and the exciting Brennan Stack.
The Demons took a comfortable lead of 25 points into half time.
The Demons started well with a hard-running goal to White.
The Royals slowly came back into the match half-way through the term as Perth found it difficult to keep East Perth captain Brendan Lee quiet.
A couple of bustling goals to West Coast Eagle Scott Lycett gave the Royals the momentum and by quarter time Perth was only 12 points ahead.
Alistair Smith’s clearance work out of the centre square was outstanding in the final term as he drove Perth forward. Tunbridge kicked Perth’s 13th goal as the Demons started to run all over their tired opponents.
Paul Bevan booted his fourth and when Stack kicked his second it was all one way traffic to the delight of Perth fans.
The Demons had kicked five quick goals within the first 15 minutes to finally put the match beyond doubt.
Moody booted his team’s 19th goal just before the final siren to finish off a dominant term that produced 7.1 and a stirring victory.