I ended the game without any upgrades -i must have been so immersed i forgot about that part. so 5/5 for a well made game. Only bad thing: heavy lag near the end levels.
Animation,animation,animation. It reeeeeally slows the game down. You need to restrict it in battle ,story and speed it up. Menus need radical changes too. I mean .."drop down" just to show the inventory ? Should be a one key function. Now i think of it , why not having some shortcuts for all these functions (battle included)
It's a nice interesting game. I played the campaign as vampire lord in easy mode. My comment is that the game just needs some more polishing: card art, typos in its dialogs, some game freezing during summoning and using spell cards.