Slave to the Vampire King

<p>.." she rolled her eyes to show her irritation then ended the call as she entered the pass code to the apartment.</p>

Author bro, if you could release a summary of the ranks of potential and the ranks of strength, and their differences that would be appreciated. I get kinda confused when you talk about rank 0 potential when they have a rank 1 in their stats. Anyway so far so good.