Feeling for the mana in the earth is the very first step, and I would have you practice doing as much until it comes naturally to you.

[ Somehow, he cannot help but be endeared to it, Yoon's determination and zeal to to learn. The younger man is so intent upon his studies that it manifests in the most charming furrow of his brow—it's good to see his student in such high spirits, and better still to see him recovered form his bout of sleep and well. ]

Then, you must shape the spell as you would any other magic. First by asking, then by giving the request shape with an incantation of your own design.

[ The language that he'd spoken, the words that he'd used... no one should intone it but him. It is simply best that way.

Lifting a hand from the ground with an elegant sweep of motion, he pokes at Yoon's arm in play. ]

Do not worry so much about the words, but rather the intent behind them. Whatever spell you give life to, it will be your own, and it will be right.

I am glad, though, that you think the pursuit of such magic to be worthwhile.