GTA: Arc of Templar
The kingdom is one of the most prosperous kingdom in the lands, but when the demon attacks, it was abandoned by its soldier. The king as ask a Templar to defend it against the demons. You need to defeat the demons attacking the castle. as You gain more experience, you would be tougher and more powerful. You'll also gain more allies to help you fight the enemies. The enemies would be tougher and more terrifying, but you would also be more stronger than before as you gain experience. The game gets better and better as you make some progress.