It looked like it would be an easier day at work for Edsbyn, who before today's event led the semi-final series 2-1.
The home team took the lead with 2-0 - but then AIK came back and equalized to 2-2.
The event developed into a thriller - where penalties had to make the decision.
There, Edsbyn's cage keeper Henrik Karlström became a great match hero when he saved Jesper Hvornum's penalty and set the numbers at 5-4.
The victory means that Edsbyn advances to the final after 3-1 in matches in the semifinals against AIK.
Afterwards, wild joy erupted, where the Edsby players celebrated wildly with their supporters.
In the final, Edsbyn will meet the winner between Västerås and Lidköping.
It is 2-2 in matches after Västerås beat Lidköping 7-4 on Saturday night.