bon voyage blitz (sort of)
i don't know if this has been discovered or not but i'll post it anyway (sorry for no videos)
bon voyage is a memory in the da vinci disappearance dlc where in you have to beat up Duccio in order to get one of the five da vinci paintings.
normally you have to beat him up 4 times (4 health bars), each time he's accompanied with his goons.
the blitz utilizes a bug in the programming of the a.i.
i discovered this while i was replaying the memory and finding out whether i can turkey shoot Duccio.
first of all Duccio and his goons are all killed with one hit with any weapon, however killing Duccio will cause desynchronization, but killing his goons are allowed and in fact when you kill one during open conflict the other goons will get demoralized and immediately leave the battle, leaving you one on one with Duccio.
start by killing one of his goons, then proceed to beat up Duccio for his first health bar. i find kicking him constantly to be the quickest as he does not fall on the ground.
when you're done with his first health bar, he runs away and goes to his next checkpoint, wherein more goons will back him up. here is where the bug happens.
do not follow him through walking/running, instead climb up the mausoleo di augusto (the structure nearest) and as you reach the top perform a leap of faith towards the pile of hay near where Duccio and his goons are standing.
you may notice that as you fall into the hay, the goons try to approach you, but when you're inside the hay and anonymous, the goons just walk away and ignore you. the a.i. of Duccio is also unresponsive at this point. so quickly jump out of the hay and perform a brutal kill using fist and Duccio is automatically beaten up.
also there is a bug that i have discovered while attempting to turkey shoot Duccio.
when you grab Duccio during open conflict and drag him around, there is a limit to the distance where you can still maintain being in open conflict. when you go too far, you're automatically anonymous. once you're anonymous, when you throw or release Duccio, he simply ignores you and runs back towards his checkpoint. during this time where his running back, he can't be targeted and as such is unresponsive to your action.
the bug i have found is when walking towards some stairs as you're still holding Duccio and you bump him towards the railings of the stairs, you will automatically let go of him, however he still remains in the holding position and is unresponsive. with no way to beat him up you might as well restart the memory. i suspect this is due to the difference in elevation of Ezio and Duccio while walking up stairs.
Let me show my (official) speedrun of this memory. I use another type of blitz, with throwing knives.
Great video, as always, Fed!
Anyways, that's actually a great exploit you found, Dyviner. I'm sure this shouldn't be too hard to be made into a video for one of our many talented recorders. 
Nice bug! And very well explained without a video! 
Great video, as always, Fed!
You can find the rest of my offcial Da Vinci Disappearance run in the corresponding thread (and a casual run of each ACB mission in another thread, or on my YT channel).
To come back to this thread, I don't really think this exploit would have been much faster than what I did.
ive been meaning to record something new *currently working on doing flying machine 2.0 all stealth up to the machine itself* but ill try replicate this ow what was turkey shoot again ...lol
this is really nice dyviner!!! im so glad you shared this with us, and i look forward to hearing more from you.
Im doing the same challenge Vanitas, its really fun. Try go for absoulte stealth like I do in my Machine gun video ( Outgunned)
Basically no kills, and the detection meter above the guards heads isnt allowed to rise at all. Im also going to try it for the other Leonardos machine levels, they are really interesting for perfect stealth.
Also did you notice there is a 2nd alternative entry point to the compound where the flying machine is held? There is a guard that is constantly bothered by flies.
im hoping to jack though im lousy at stealth damn guards keep seeing me and im going to try the others but i like 2.0s level design more cause it reminds me of the area u need to kill William of monferrat and theirs a second entry O_o
thanks a lot for the comments, i never did try to use throwing knives at Duccio
nice video btw Fed it was really fast
also i'm curious, what controller are you using? cause the controls show button 1, 2, 3, 4
I tried doing a ghost run on the Flying Machine, but have never accomplished it. It's really hard.
The first part is fairly easy: you just make sure you don't get in the line of sight of the guards and you're fine. But once you get to the plans and destroy these, you have to walk all the way around if you want to prevent any detection meter from showing up. It's pretty much impossible to walk directly to the fortress.
Then there's entering the fortress itself. There are three entryways: the closest to the right (I'm fairly sure you all know this one), but there are a few guards on top, so without smokebomb that way is pretty much blocked off (at least, that's how I remember it). The furthest is on the other side of the fortress, with the guard being harrassed by flies. Without killing him, entering there is impossible without detection and you also have to deal with the guard on the tower to the left.
This leaves... the front door.
I'm serious. Even though the front door is well-guarded, it is by far the easiest way to enter the fortress unnoticed. Here's my plan of attack:
I enter the first wall, just past the guards. I'm currently on the road that leads next to the fortress. I use hyperblend with the fence on the right to get to the horse stables near the first entrance. This breaks my hyperblend. I take a horse and quickly make my way back over to the road, while staying out of the Line of Sight. Next, I enter the crowds again and re-initiate hyperblend. I then call for the horse (it doesn't really matter whether you bring it with you or not, you'll probably have to call it anyway) and then jump on that.
I'm now hyperblended. On a horse.
After that, it's just a quick ride to the entrance of the fortress. Just be careful not to knock over any guards. You can ride past them pretty close and as long as they move out of the way, you're fine.
So now you're in the fortress, hyperblended on a horse. All that remains is getting up to the tower entrance, but that is fairly hard, since the guard patrols are lined up really well. I haven't been able to make my way to the top of any tower (which provide entryways to the main tower entrance) while still being superblended/hyperblended. Not even with climb leap.
Typing this just now gave me an idea, I will try it this afternoon. 
thanks a lot for the comments, i never did try to use throwing knives at Duccionice video btw Fed it was really fast
also i'm curious, what controller are you using? cause the controls show button 1, 2, 3, 4
I use the same controller since the beginning (also for my offical run of ACII), a Logitech Dual Action. The keys have a number from 1 to 10.
Next, I enter the crowds again and re-initiate hyperblend. I then call for the horse (it doesn't really matter whether you bring it with you or not, you'll probably have to call it anyway) and then jump on that.
In my opinion you can't do as in ACII, if you want to hyperblend with a horse, you have to jump on it. The best would be to hyperblend with the crowd (to go on a bar), then call a horse and jump on it (as in the following video at 01:52).
161803398874989 wrote:
Next, I enter the crowds again and re-initiate hyperblend. I then call for the horse (it doesn't really matter whether you bring it with you or not, you'll probably have to call it anyway) and then jump on that.In my opinion you can't do as in ACII, if you want to hyperblend with a horse, you have to jump on it. The best would be to hyperblend with the crowd (to go on a bar), then call a horse and jump on it (as in the following video at 01:52).
Ah, I forgot to add that I jumped on the fence first, since otherwise you can't initiate a superblend or hyperblend; the horse removes your hidden status. Not much opinion there, you simply can't hyperblend like that in AC:B.
Also, I messed around for a bit in the memory just now, but I just don't find it enjoyable after I've entered the fortress. Once you enter the fortress on the horse, a checkpoint appears. If you then desync, you have exit the fortress to reinitiate hyperblend, which is annoying as hell, especially since all the guards respawn when you desync.
I also tried my idea and something else I had thought up, but neither would work, so I just quit. Maybe someone else can get it to work:
1. Get on the small roof in front of the big tower and use the superjump exploit when the guards pass by to grab the edge. If you do this while superblended, I think you won't have any troubles with the guards. Once you're hanging off the side, just slip around the other guard and you're done.
2. Use a horse to jump to the far away tower (the one at 6:35 here), then climb leap to the top.
I couldn't get the horse idea to work and I had to assassinate the guards because I wasn't hyperblended anymore after one try. >.<
i now recall the significance of this memory. (it's been a while.) the hermeticists ("robed disciples") are basically bandits, which means that you can loot their bodies for trade items. this memory has a ton of hermeticists, so this is a prime memory for farming. you can only keep the looted items if you finish the memory, so being able to speed thru this memory has some practical application.
the strategy that dyviner describes can be simplified a little. The instant the battle with Duccio starts, jump in the water and then climb the wall back up. if you take your time going up the wall, you will become anonymous before you reach the top. at this point you can just find duccio and falcon punch him to finish the beat up.
i suppose i could make a video on farming in this memory. anyone interested?
I'd be interested to watch it for sure. And I can't wait to see if the method is faster than mine.
Soooooo..... falcon punches are always worth watching, aren't they? So yeah, that would be a good one.
Haha. Falcon Punchin' Ezio. I'd buy that action figure.
I'd be interested to watch it for sure. And I can't wait to see if the method is faster than mine.
i just timed the different strategies. your speedrun time for this beat up is about 40 seconds. dyviner's method as originally stated takes a little less than 40 seconds. you can optimize dyviner's method a little to about 32 seconds (use 2 throwing knives on duccio). my method of jumping in the water as stated earlier shortens it further to about 27 sec. if you run up the stairs instead of climbing up the wall, you can get this down to less than 25 seconds.
I just thought to an even faster method, maybe.
What if you throw knives like me, and then catch him, then grab/kick/punch him until the objective is complete? Is it possible? That would be the fastest in my opinion.
Edit : in fact, that's not possible.