As days blurred by, runes became more than a mystical alphabet. A language Adam could understand, letters he could align to form concepts and bring out natural mystical effects. That's what he could glimpse after a few months.
Even if he didn't want to downplay his efforts, his fast progress wasn't the result of his wits and talent alone. Instead, his left eye shone a calm blue each time he manipulated magic as if it already knew everything and he held it back.
Bathed for uncountable years in Mimir's well, Odin's eye had stored oceans of knowledge. It was still there. He just couldn't access it, to his displeasure.
"You were too weak when you devoured it, but unlocking what it holds is possible... if you're willing to pay the price."
Mimir's words had vexed him after he sought his help. Why would he pay anything when he could learn? Even when Mimir answered, he did it while rolling his eyes meaningfully: not worth it.
