It would help to know what kind of play style you are looking for? A knight that tanks damage, a stealthy assassin, etc. If you aren't sure here is a list of builds that use the Imperial race if you just want to peruse what is out there.
Race:Imperial
There are also tons of builds that don't rely on any specific race at all and could be made to suit an imperial, but I would need to know the style of character you want before I could suggest something more specific.
It would help to know what kind of play style you are looking for? A knight that tanks damage, a stealthy assassin, etc. If you aren't sure here is a list of builds that use the Imperial race if you just want to peruse what is out there.
Race:Imperial
There are also tons of builds that don't rely on any specific race at all and could be made to suit an imperial, but I would need to know the style of character you want before I could suggest something more specific.