Play through the random Dokapon card game when it appears at the beginning of a week. Make a note of the location of ALL the cards then reset the game and play the card game again. You will now be able to get ALL the cards correct immediately to win 1,000,000.
Anyone who plays this game has noticed that the weakest player receives the Darkling power and becomes the strongest player on the board for about 2 weeks. Well this game gives you the nifty ability to change which wii remote is controlling which and how many players at any time.
When the Darkling power is given to a player go to the Data menu -> Controls and set your remote to control both your character and the Darkling.
At this point you need to make the Darkling and your character get into a battle. From here you need to Make the Darkling use Strike and your character needs to Counter. The Darkling will damage and kill himself, At which point you get a chance to Steal one of his Equipted items.
You can do this as many times as you want, but the First Time you Need to take the Overlord's Crown Because it Adds obscene amounts to your Stats: Overlord's Crown ATK +3OO DEF +250 MAG +200 SPD +150