DescentBB

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Uuuh...
Class 2 Supervisor shows up in D2 a couple times.
Vertigo series has some D1 bots in places.
I thought there was at least one more crossover bot in D3 but I don't remember which one...

D2L16 had a cloaked lifter matcen

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I think they make other robot's AI more aggressive (like setting them to snipe mode in D2), but it's difficult to notice in the stock campaigns 'cause once the robots that really show the difference between aggressive and normal modes start showing up the supervisors kinda stop. One of the Vertigo series levels (6?) has a spot with a supervisor and some Ice Spindles where you can see it a little more easily since the Spindles get more aggressive than FOXes or any bots in D1.
In D2 they only showed up on the water levels.

Lightwolf's right about the cloaked lifters too, that may be the other one I was thinking of. I wonder if that matcen was set to spawn them by mistake... hehe. Well it's been canonized for 22 years now anyway.

typematrix wrote: ↑Mon Apr 15, 2019 5:50 am I don't recall the supervisor in D2 where did they show up?

There is one at the beginning of D2L7 where the up/down split is. Its in the downwards shaft.
There is also one in D2L6 right after the yellow door going the non-shortcut way.

Seems like L8 had one, though I'm not sure

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Not sure about the smelter but there is that green bot that shoot concussion missiles which sound like d2 mercury missiles.
The class 1 drone reappears twice in the humonculous' mouth.

Class 1 Drone also appears briefly on Level 10 of D3, precisely at the dilapidated Lunar Outpost section, IIRC

Class 1's also appear in Level 6, ejected from the Humunculous' mouth. And its arm is also an Advanced LIfter.