The Truce And Some New Information

When Harry flees to Grimmauld place after an immense pain, why do feathers start growing behind his ears? What changed since his last visit? And why have Gringotts sent him a letter? And what's the relation between his two godfathers? Read more to find out!

(Toms dead, and this is in 8th year)

And yes, there will be wolfstar