[Magic has different activation requirements. Some spells are tied to enchantment, while others must meet battle requirements tied to a skill. The best way to develop your magic is to sense and understand where your magic comes from.
While several hunters say they can sense a well deep inside of them, others have magic seemingly pop up out of nowhere. The most important part of training any new skill is practice.
Concentrate on the target and think of the scariest monster you have come across in the towers. Focus on the target and pay attention to the changes in your body and breathing.]
The screen didn't really describe how to force out the magic within myself. I knew it would be way too easy if it did, but still it felt like it should have given more than just that broad reaching explanation.