Rain smile grew bigger when he saw that message. Just as he had expected, the system was truly like a computer program that acted based on the best option available. Rain could force it's hands to act the way he wanted if he caused enough trouble and in that case, forcing his domain to enhance the effects of Parameter Boost worked with that goal.
In this magical world, mana served as the fundamental energy required to alter the rules of reality or exert influence over the system. For Rain to compel the system to yield the desired outcomes, he had to invest a considerable amount of his mana. This cost wasn't limited to just affecting the system; it extended to other aspects, such as lightening the weights he carried.