Adrian wasn't foolish. After experiencing some setbacks, he learned from them. He immediately circulated the aura essence within his body, emulating the black-robed man by empowering his entire body. Instantly, his muscles bulged, and his arms seemed to have grown a full circle. He appeared more robust overall.
Engaging in combat became less strenuous for Adrian. His innate advantage of having abundant spiritual energy gradually nullified the man's superiority. Adrian even managed to find an op