I tried soloing him at LV 80 and had no luck. So went back in at LV 90 and he was still difficult...but I finally did it. This was just did this for fun. :3
Oh come on, you'd be surprised how few RDMs even at 90 can solo anything harder than an IT mob.
@Catnipthief: it's one thing saying, another thing doing. I don't consider Fenrir Prime an especially difficult solo but at the same time it's not so simple that someone should quit their job if they can't do it.