[quote=@Fallenreaper]


I can see that being doable, though as I said, it's likely that Tearstone and Hero's PCs will intervene at some point during the ambush. I don't know if Lekh would keep the bubble of null (Yes, I nicknamed his power, lol) up or shrink it, mainly as he doesn't just null the heroes' ability but also his allies preventing them from completing their job to their full potential. In addition I don't know what range he will try to keep as too many malfunctions in one place is likely to get unwanted attention from Strike or other sources, which might be the IC reason he can't push his ability to cover too much range?      
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He can direct it, to an extent. It only has a short range though, forty feet at most I believe. There are ways Lekh can be of use however, he is a master of disguise and his abilities are very subtle. It wouldn't be hard for him to put himself in range of the heroes or even take one out of the equation on his own, if that was required. 

For example, he could easily screen for the villains if a fight broke out. Say the van stops at traffic lights (or an intersection or w/e you guys call it.) The villains could do something as simple as follow the van in a couple of cars, and when it's in a good position honk their horn a couple of times using a specific pattern. Lekh can hear it, disable the driver (and everyone else in the van) and open the door, bundling Racheli straight into the loving arms of the villains just outside, who will have picked a good spot to carry out this plan (AKA few witnesses.) The Heroes would only be aware something is wrong when the team leave the rear car and the ambulance doors open, at which point Racheli will be in their hands, and Lekh can pull some shenanigans to screen for the group.

Literally just depends on if you want the heroes or villains to win, but I thought of some ways Lekh can cause chaos if you want it to be less cut and dry who succeeds. For example, Racheli could escape from the villains later, but the heroes could fail to save her initially. 

It would also be up to the heroes, they might have super observation or something and foil anything Lekh can do, it would depend how smart they are and if their players are interested in forming a rivalry with Lekh, as whoever he disables/delays would have the questionable pleasure of seeing his face, they might be the only person who could prevent him doing something even worse in the future. (As his picture doesn't really exist anywhere.)

Just spitballing, but I do have some cool ideas that could make this ambush less cut and dry, so to speak. Depends entirely on what you want though, I'm happy to play a smaller or larger role depending on what's required.