Remus was walking down the stairs to the Entrance hall. He didn't have class at that time and was walking the castle. His head was swimming with memories, but his thoughts were interrupted by a yell. He stopped in mid-step and looked around. He was the only one on that floor. He scratched his chin he looked around once more. He voice echoed once more.
Lupin walked for door to door, pressing his ear against it. He heard voices coming for the dungeon door. He opened the door and started down the dank dimly-lit corridor. His footfalls echoed as they hit the floor. There were puddles in places and leaks in others. His footsteps were always drowned out when the voices started once more.
As he got closer, he recognized one. Snape. Snape was yelling at some poor student. Remus' pace quickened, more light entered in pupils giving him a better view of his surroundings. When he turned a corner he could see the two. Severus was in a students face. That student was Harry Potter. Remus knew that Harry didn't have to do anything to get yelled at. Remus stopped about ten feet away from the two.
Snape turned his greasy head to wards the Defense Agents the Darks Arts Professor. 'Get out of here, Lupin! This does not concern you!'
Harry give a look towards Remus. Lupin shook his finger at Snape, the only thing was it was his middle finger, but Snape didn't seem to pick up on it. Harry stifled a laugh. Remus let a small grin creep across his tired face.
'You see Snape,' Remus said calmly. Lupin had been the first teacher he had heard call Snape 'Snape' instead of 'Severus'. 'This does concern me. Harry is one of my students and it seems as if you are harassing him.'
Snape blinked and Harry was grinning madly. Snape's old expression sun returned to his astonished face. 'Yes well, he is one of my students as well and I can do what I please with him when he deifies me!'
'It wasn't me! It was Mel-' Harry finally piped in.
'QUIET BOY!' Snape yelled.
'Don't yell at him!' Remus growled.
'I will do what I wish you incompetent Lycain!' Snape recoiled.
Remus was losing himself. Lucky for him, Harry didn't have the foggiest what a Lycain was. He marched up to Snape until he was in his face. He rolled up his sleeves and was growling almost wolf like.
'You wanna go?' Lupin snarled.
'What?' Snape asked shocked.
'C'mon, Mr. Big Talk. I'll take you right here, right now.'
After hearing Remus' voice, the class was peering around the door. Whispering a rose into the corridor.
'Good,' Remus thought.
Snape glared at Remus. 'Step away from me, Lupin.' Snape said, then spat in Lupin's face.
Remus made a disgusted face as a 'ooohhhhh' came from the class. Remus took the hem of his tattered robe and whipped the spit off.
'Well, it was your own bringing.' Remus said as a smirk crossed his face.
Remus drew back his fist and hit Snape in the nose. Snape stumbled backwards, holding his nose, blood seeping though his fingers. The whole class was laughing, perhaps, Lupin did the wrong thing, but, he couldn't help it. He looked to Harry who was grinning.
'Alright, now, go back to class.' Remus said commandingly, pointing to the classroom door.

A/N: Yes, I know this all against Lupin's character and highly unlikely but...it is what is the outcome of boredom and no life sigh. Alas, I must some better way to spend the time in my life. I also realize that Harry would have to be extremely stupid to NOT figure out what a Lycain was.