Snape might be suspicious at first. He could think Harry is up to something mischievous or perhaps trying to find a weakness in his teaching. Maybe he'd keep a closer eye on Harry during class.
He might be initially shocked. Snape has this complex relationship with Harry. He may try to hide his concern behind his usual cold exterior, but his eyes might give away his surprise.
It could be a turning point in their relationship. Maybe Snape starts to see Harry as more than just James Potter's son. The scars represent Harry's battles and traumas, and seeing them might make Snape more empathetic.
Well, Snape's reaction would likely be a complex one. He might try to hide his true feelings. Since he has always been a bit of an enigma. The scars on Harry are a visible reminder of his connection to Voldemort. Snape may feel a sense of responsibility towards Harry, whether he wants to admit it or not. His reaction could range from a momentary lapse in his usual cold facade to a more long - term change in his attitude towards Harry, as he contemplates the significance of those scars.
In a typical fanfiction scene, Snape is standing in the Great Hall during the Sorting Ceremony. The first - years are being called up one by one. When Harry's name is announced, Snape's eyes immediately dart towards him. His face hardens, and his grip on his wand tightens involuntarily. The air around him seems to grow colder as he stares at Harry with an intensity that makes some of the nearby students shift uncomfortably.
He could feel a sense of guilt. Snape has always had a role in Harry's life, sometimes as an adversary. Knowing that Harry has these scars which are a result of Voldemort's actions, and Snape being involved in some way with Voldemort in the past, he might feel responsible on some level.
He might be initially shocked. Snape has a complex relationship with Harry, and seeing those scars which are a mark of Harry's past and his connection to Voldemort could stir up a lot of mixed emotions in Snape. Maybe he would feel a pang of guilt, as he has some role in Harry's life due to his connection with Lily.
One significant plot point could be a moment of understanding between Snape and Harry. The sight of the scars could lead to Snape finally revealing some long - held secrets to Harry, perhaps about his mother Lily. This could change the dynamic of their relationship from one of distrust to a more collaborative one.
He could also be shocked into momentary silence. His first sight of Harry might bring back a flood of memories, both good and bad. Maybe he freezes for a second, his mind racing with thoughts of Lily, Harry's mother, and how things could have been different. Then he quickly composes himself and tries to hide his inner turmoil behind his usual stern facade.