Thread:Aikenhead/@comment-30398722-20170111035737/@comment-5912473-20170111044152

The 40,000 figure comes from the second official fanbook. You can find the page here

The explanation for his magic level being so enormous is because of an unknown power that lies dormant within him. He's not that strong at the moment because he hasn't been able to tap into the source of his magic and awaken his power.

Sorry for any confusion!