He had noticed the subtle increase in the altar's size as he breathed in the purer demonic energy earlier but consciously focused on his subjects and the territory.
Now that he was free, he inspected it thoroughly, catching the faint vein-like lines coursing in shimmering green hues on the dark stones.
The disturbing, finger-like protrusions spreading in the sky thickened, resembling gigantic tubes spewing concentrated demonic essence into the air in a gentle flow.
His lips rose into a satisfied grin as he inhaled a mouthful of essence and, heart racing, assessed the absorption time difference.
However, his eyes enlarged as it streamed into his body unimpeded.
His defined muscles twitched each time it passed by, refining and attuning a small quantity before pushing it towards its next destination.