His senses started to dim; he started to feel weird, but the feelings were very weak. He can still maintain his proper senses without losing them.
Baam!
The moment he exerted some strength, his runic formation shattered, and everything returned to normal.
On the token, the number '1' appeared, meaning he cleared the first runic formation.
Apollo wasn't surprised by such a situation, as the first ten runic formations are the easiest and will let the person feel like they are drunk with lost senses and weak control.
Almost everybody can clear them. But Apollo had to say it gave him an entirely new feeling, but still, it really is similar to being high.
He didn't stop and proceeded on, entering the second runic formation, where similar feelings came, but as previously, he effortlessly negated them and broke the formation.
He broke through multiple formations with fast speed and, in a minute, cleared the first ten runic formations.