C1267 Battle of Masters!

"Doctor, I need to find you..."

Hearing the angry roar from afar, Willett helplessly rubbed his head and said to the Doctor, "It seems that your junior brother has a lot of resentment towards you..."

"Hehe, it has been a few years since we last met, and his wings have grown a lot stronger..."

The Doctor smiled strangely and nodded, "Alright, since we haven't sparred with him for so many years