Zi remained stock still with an impassive face whilst the mysterious figure berated him, for some reason having unknowingly generously switched into a language that Zachary was actually fluent in. He listened intently at the flawless italian that came out of the man's mouth, completely without hint of any arabic accent, and whilst he was irked by the content of what the man he was saying, a look of concentration mixed with confusion crept over his features. The familiarity with the voice that he had picked up on when the man had first spoken was multiplied many times over with this transition into Italian, but still he could not place it and wracking his brain for whence he knew that voice consumed his mind.
By the time he had heard three languages, Zachary was more troubled by his inability to work out to whom the increasingly familiar voice was than by the increased heartbeat, difficulty breathing and lump in his throat that had presumably been caused by some middle-eastern curse hurled at him whilst the man had been speaking Arabic. Straightening up didn't even help to alleviate the curious sensations that his body was going through, although it did indirectly distract him by bringing on another tirade of put-downs in Italian. Still, he held his tongue and didn't let his understanding show to his adversary just yet.
Even once the figure had stepped out of the pool of brilliant light that had obscured him from Zi's view, the burglar still struggled to make out the man's features, having been straining too hard looking into the light and effectively blinding himself for a short period. He closed his eyes to give them a chance to rest and reset while he listened to his surroundings. The security guard was making a curiously generous offer, but that was of no importance to him right now. He was, quite frankly, trying to block out the man's troubling voice, and listening to his breathing, the rustle of his clothes, the echos from the walls. He was listening for a space, a break in his concentration.
"That is most kind of you," Zi effentually offered, allowing himself to relax slightly. "You know, I think I must have gotten a little bit lost. I was looking for the lavatory. Is this not the way to them? Ever so sorry to have..." As he spoke, Zachary had been releasing the tension in his body and making himself to look like less of a threat - making it appear as if he was complying with the guard's suggestion. He let his hands leave his head very gradually and supplicatingly, but once there was enough clearance that he was sure not to take his own eye out, Zi flicked his wrist and grasped his wand well enough to apparate the twenty feet to a gap directly behind where the man was standing.
As soon as he rematerialised, he targeted the figure whose outline he could make out - he didn't need anything more detailed that that - and fired a couple of curses in quick succession: "Expelliarmus!" (the gun flew out of the security guards hand) "Petrificus Totalis" (he froze into position) "Levicorpus!" (and was yanked into the air by his ankle). Next he turned his wand on the candles in the niches which has been causing him so much trouble and snuffed them out.
"Much better" he started in his own fluent and native-sounding italian, in which he continued the rest of this encounter. "I don't know why everyone feels the need to put light everywhere. It's so harsh on the retinas. Accio Clothes" the frock coat and collar he had discard earlier flew over to him, and he put it on by gracefully swirling it over his head (managing to miss all exhibits) and letting the sleeves slide down his arms as gravity took hold of it. His demeanour had changed completely. No longer was he attempting stealth, acting the foolish Brit or pretending to acquiesce to the commands of the security guard. His voice was tinged with malice, indicating an intent and ability to exact revenge on this interloper for interrupting a nice night's cat burglary.
He stalked around the man as his eyes reacclimatised themselves. "You know, you really shouldn't underestimate people just because they're upper class. We have a lot of time on our hands. Now, I don't know who you are," (the man was laboriously revolving in the air and currently facing away from Zi, who walked the opposite direction to the revolutions, though keeping a good few feet between them) "but I do know you must be a wizard. What are you, some kind of hit wizard that has been tracking me since I left Italy?"
Finally, Zachary was brought face-to-face with his attacker, and he was dumbstruck. The body was more solidly built and muscular, the hair longer and sunbleached, the skin considerably more tanned, but it was unmistakably his former lover, Alain St. Claire. He stood open mouthed as the man rotated away from him, and then took a few steps closer, so as to be able to look into his icy blue eyes again. Zachary wandered alongside the rotating man for a good minute or two, just staring in disbelief and unable to find anything to say. His face betrayed his shock an unpreparedness but there was not even the faintest glimmer of recognition in the younger man's eyes.
Eventually he found his voice and continued in Italian. "Alain." It was not a question. An unfamiliar part of him, the part that other people foolishly referred to as their heart, but Zi rather more accurately thought of as his limbic system, urged him to dismiss his curses and embrace his long lost friend and lover, but it was tempered by his rationality. "You pulled a gun on me. That's very crass and ... well, muggle of you." He paused, still not knowing what to say. "What... where... Why did you pull a gun on me?" Zi stopped walking and waited for a response for a good few seconds, and it wasn't until Alain's face was coming back round on another resolution, he realised the man was unable to speak. "Liberboca" a partial countercharm of his own invention released the hold that the earlier full-body bind had over the man's face, releasing just enough that the bound man could speak.