After leaving the Headmaster's Office, Erwin went to the Room of Requirement.
Asking for a quiet room, he began to reverse-engineer Gryffindor's Divine Power.
Erwin gave his palm a gentle wave, and a trace of crimson energy wrapped around it.
This was Gryffindor's Divine Power.
The moment the Divine Power appeared, Slytherin in his portrait and Ravenclaw inside the Diadem opened their eyes simultaneously.
There was a hint of nostalgia and sorrow in Slytherin's eyes. "Godric!"
Chapter 627