Questions about the gameplay of Heroes 6.

During the playthrough of the first mission of the campaign for the Alliance of Light (Campaign 2), the main hero, Anton, on the skills and spells page, has a maximum level of 2 for his spells; that is, spells of the third level are not even displayed. Does this mean that the hero has a predisposition towards strength? Is it impossible to increase his predisposition towards magic, and is level 2 the absolute limit for spells, regardless of how he is developed?