I Got Lucky and Pulled a 10th Rank Summon

In the most immersive VR game “Last Saviour”, every player will have the opportunity to summon a ghost follower. Follower souls were ranked from 1 to 9, and of course everyone wanted a rank 9 soul. However, the one I had pulled had a rank I had never heard of before… [What happened in the world?] “Yes…” I don’t understand either.