I Accidentally Became Professor McGonagall's Adopted Son at Hogwarts

While The Chosen One was still in the cupboard counting spiders, Allen McGonagall had already taught the Hogwarts staircases algebra. The mysterious adopted son of Professor McGonagall, this boy carries memories of a past life. In his left hand he holds a bronze book that can decipher the laws of runic magic, while the mark of the Phoenix Fire coils around his right arm.

“The twelfth vulnerability in the castle’s defense system...” At the 1991 Start-of-Term Feast, while Harry stared at the Sorting Hat, Allen was using his quill to work out Ancient Runes on a napkin. While everyone else chased the legend of The Chosen One, he quietly planted magical sunflowers in the corridors that could tell the time and set up distillation equipment in the Potions Classroom. Then one day, he discovered that his phoenix fire could ignite the stars...