Sirius Appears in the Gryffindor Common Room Fire

After receiving Percy's letter, Harry sees Sirius Black's head appear in the Gryffindor common room fire. Sirius discusses Harry's scar pain, reassuring him that it's a sign of Lord Voldemort's emotions. He also warns the trio not to draw attention to Hagrid's absence. The conversation turns tense when Sirius hints at joining them in Hogsmeade, which Harry and Hermione vehemently reject due to security risks. Sirius ends the conversation feeling disappointed, and the trio is left concerned for Hagrid's well-being.