DCU Mod, Legion level

[Checkmate]

OK, I've been through the Legion level of the DCU Mod three times now. I've gone full circle, back to the room I started from, and haven't found the security computer that I'm supposed to reboot to complete my first objective (nor, apparently, the serum for Mon-El). What am I missing that's probably right in front of my nose? Hints, anyone?

On another note, I'm finding that anytime I have a character execute a melee attack with an arc, like Karate Kid's "reaping the whirlwind" or Spark's "electric arc," the program crashes and drops me back to my Windows desktop. That only happens on the Legion level. I've gotten this far using arc attacks with no problems.

[Checkmate]

Never mind. I just found out that there were two more rooms I didn't explore. That's what I get for leaving a room by the door instead of by the teleporter. 

Still haven't finished the level, but at least I got the security system rebooted.

I also found out that the problem I'm having with arc attacks only seems to happen when Saturn Girl is a member of the party. When I tried replacing her with Star Boy, I had no trouble with Karate Kid's attacks.

By the way, it's been at least ten years since I last read a Legion story. Since when does Star Boy have the powers to shrink and to teleport? And why doesn't he have a flight ring?

[pdeltoid]

Any tips on what you have to do to beat Nihilist on the Oa mission?  After I beat him, he just regenerates...

[BentonGrey]

"Don't listen to him, he's a nihilist."

[Checkmate]

Was there a fight with the Nihilist? I did that level three weeks ago. (Haven't had much time for games since then.) I remember

Spoiler

a cutscene of the Nihilist appearing, knocking out the Flash, and disappearing,

but I don't remember fighting him. I'll go back and run through it again.

I do remember that I got through that level by making Green Lantern and Flash use hit-and-run tactics (hit 'em, then move far away and wait to recharge before hitting them again), Martian Manhunter use Mind Control and throw big rocks, and Azrael use taser and batarangs, which were surprisingly effective.