He also said that the UI and even the Axe mechanics were a last minute addition, they basically had to work real hard from scratch to get the foundation of the game up to snuff and then doing the finishing touches real quick, it's why the UI/inventory is so messy, this would explain why most of the boss fight mechanics were repeated so often with not much to it. They could have integrated the Valkyries in to the story instead of hiding them to padd the boss fights a bit though, should have helped a bit.
The sequel should require less work/time because the foundation is laid at least.
The sequel should require less work/time because the foundation is laid at least.