At this moment Blake was sweating buckets as he followed the system's instructions. The strain on his mind was more than twice what he had felt when he tried space freeze.
He gritted his teeth as an agonizing pain assaulted his mind, his breathing had become ragged and his clothes were soaked in sweat.
It went some more minutes before Blake fell to the ground causing the dimensional door to close shut with a loud bang!
"I wonder what realm professor Mack is at for him to be able to use blink to show off," Blake said as he was panting while still on the floor. Just a single blink spell had drained more than half of his mana and left him mentally exhausted.
[If I was at a higher level I should have been able to detect his level, but one thing for sure he is not below the Demi-God realm.] The system replied.