Thread:RebeccaTheSorceress/@comment-34983325-20181225055918

In the part when Professor Oak/Doctor Okkido instructs Ash/Satoshi to hide and not interfere under any circumstance. Charles/Cheul-Soo arrives in the Astronomy Tower and disarms Professor Oak/Doctor Okkido revealing that he has been chosen by Giovanni/Sakaki to kill the headmaster. Dr. K arrives, and casts the killing curse when Charles/Cheul-Soo unable to bring himself to do it, killing the headmaster. He then overpowers Ash/Satoshi and reveals himself as the Half-Blood Prince before escaping. 