Sirius and his godson were walking down a street in London. It was approaching dusk, and there were a few other people walking along the street.

The two men were dressed in dark muggle clothes. Sirius now had brown hair, and Harry had red hair. Sirius knew that Harry actually kind of liked it -red hair reminded him of the Weasley's.

Now, why were they walking around in muggle London in disguise? Hopefully, to capture Death Eaters. They could be informative -especially the inner circle Death Eaters. And most importantly, they needed to be unmasked. The Death Eater's greatest ally was anonymity.

Sirius and Harry each wore a watch charmed to detect magic being used in a certain radius. Snape had kindly informed them of certain Death Eater's habits. Where they would likely seek their 'fun.' So, recently, they could be found strolling around London.

Sirius was glad he got this assignment -he got to spend a lot of time talking to Harry. Granted, he had to walk all over muggle London, but hey, it was good exercise.

He got gotten into an argument with Harry pushing himself -he went for runs every morning, practiced fighting in Hogsmead, spent hours learning from an old friend of Dumbledore's, went on various missions for the Order, and researching new spells all the time. Harry could do wandless magic, but it was something that needed a hell of a lot of control, and thus time spent practicing. Harry also wanted to become an animagus; He *was* making great progress in that area, though he was having major problems settling on an animal. But then, Harry had had to grow up too fast, and he was showing it.

Sirius was currently talking, though he could tell that Harry's mind was somewhere else. Probably not anywhere good, if the nightmares he had were any indication. When had found out about the silencing charms Harry put around his bed every night, the boy had tried to get him to ignore it. "-I bet GINNY would like your red hair."

Harry jerked. "What?"

"Oh, nothing. Now, as I was ASKING you, when is the wedding-" Sirius' amused voice cut off as they got a trace on some magic. Enough magic to indicate more than one wizard.

They followed the signal, towards the source.

They exchanged a glance when they rounded a corner; They had definitely reached where they were going. His godson quietly followed him and they crouched behind a car, unnoticed.

The Death Eaters were torturing muggles. There were about five of them, and many more muggles. Several muggles were stunned, some petrified. Others were being hit, cursed, spun around in the air.

Harry's face hardened with anger at the sight. The expression on his own face was likely not for off.

"Evigilo," Sirius murmured as he turned on the recorder. Once again, the quest for evidence.

Sirius was wondering if they would be able to take on all five of them. A hard decision; He usually wouldn't have a qualm about risking it, but then his partner was Harry. His godson. It was a good thing Harry could not hear his thoughts.

His debate was forgotten as he noticed another man arrive down the street. He gestured to Harry, who looked over and saw him too. They watched.

The Death Eaters either hadn't seen or cared to notice the man yet. The man had a cold look on his face; As if he was as angry as they were at the sight, but had seen it too often.

The man stepped to the side and a part of the street under him blew up, as if a spell had hit it. Harry's eyes widened a bit and he glanced at Sirius, who was avidly watching. The man was wearing muggle jeans and a plain T-shirt. The interesting aspect of his appearance were the knives strapped around his waist, as well as a wand strapped to his arm.

The man raised a hand and threw a silvery dagger at the balcony above him.

There was a scream, and parts of a man appeared on the ground underneath the balcony; He had obviously fallen from it, his head and legs now visible. He could hear Harry's astonished, "An invisibility cloak!?"

The other Death Eaters dropped their torture and turned to the unknown wizard, who had just set another invisible man aflame. Sirius realized what was going on -they had been waiting for the man.

The wizard had dodged another hex, and a Death Eater was stunned. Another one, petrified. He considered helping, but they needed to watch. If this was indeed the man he thought it was.

One of them let out a yell as he was electrocuted by some sort of spell, dropping to the ground unconscious.

"Go," one of them shouted lunging for the nearest muggle. The other Death Eater disapperated away.

The remaining Death Eater held the muggle between him and the other wizard. Who was striding towards him, unconcerned with the wand pointed at him.

"Who are you?" He listened carefully to the voice, but it was unfamiliar.

"Don't bother stalling me, I know this is an ambush and am perfectly willing to wait for your reinforcements." The man smirked. He wondered what the expression was under that Death Eater's mask.

The Death Eater started to caste a curse, but the mysterious man was faster. He shot a curse that, Sirius realized, shattered the bones in the Death Eater's wand arm; He promptly screamed in agony, dropped his wand, and thereby letting the terrified muggle go.

The wizard reholstered his wand and gestured at the muggles; The petrified were released, and the unconscious woke with a start.

"Holy shit," Sirius murmured. Most of the muggles were running.

Both men behind the car froze when the man looked over at them. He tensed, but in the next second the man was distracted again. The other Death Eater had returned, and he was not alone.

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Enialedam: I was wondering when someone would wonder that! There are two very vague hints about his age- I'm not sure I should tell you yet. or even if it will become important.