When I was eleven years old, it was a very good year, and I can remember my daily routine vividly. These were the years before I owned a Sony Playstation, and I used to venture to my friends house - everyday after school - to watch him play through Final...
To defeat the Storm Kraken as a diviner (Storm wizard) this is what you have to do: Try to have a conjurer (Myth wizard) to help you. Make a lot of defenses. Make sure you have Storm Prism in your deck, and have a Myth type wand. Make sure your side or the battlefield is full with four wizards.
Have yourself as the second person. Let the first person get all the blows. Because the Kraken is Storm, it is weak against Myth. Before the Kraken puts up a shield, attack it with Myth. If you do not have a Myth spell, get the necklace called "Choker Of Ferocity". It adds Myth to your deck (bottom part if you look at it through your backpack).