Einherjar letters
Complete the indicated story to choose five characters that will be saved as Einherjar letters. They can be used to buy skills or characters in another story. The characters will be chosen from those available at the end of the game.
Free units
Make a backup of your departure in case the next method goes wrong.
Go to the Einherjar Shop store and buy any desired unit. Save the game in an empty box. Keep L+R and press Start to restart the system. Recharge your original game. Delete the file created in the other box (the most recent). You will keep the units bought in your Unit Logbook without spending the money. You can use the trick to sell objects from your inventory and stay money.