Since the Chronicles of Aeris was a game in the theme of Role Playing Games (RPG), it would mainly aim to give the player as much freedom as possible.
Therefore, there are several ways to achieve certain things in the game.
Just like awakening the Aura. And to do that, there are two main ways I have used. Just as in the real world, the first way to achieve success in something is to have a huge amount of money and spend that money on the thing you want to succeed over.
This is basically the easy way, and to do that, the player would need to spend a lot of money just to acquire one material. 'Dragon Heart.' Since this world has the 'magic' elements, it is not a surprise that it has Dragons as well since Dragons are the most known mythical beasts on Earth.