them, I managed to defeat them with orcs). It could be simpler - trappers shouldn't be able to place traps where stalkers are standing, so revealing their location is very easy. And then - just stand next to them, attack, and kill them.
This is more of a bug and a poorly implemented feature. :)
And in general, I think it was a mistake to introduce it (without proper testing).
Even now, playing with the griffin strike against the Sylvan faction is already challenging, and this makes it even worse.