Any way to get my 2nd account back?

It was given to me by a friend. I remember the login and password but that was long before it required you to enter a character name for that account.

He didn't give me the entire NCsoft info so I can't really prove ownership aside from the login/pass. I'm just entering character names I might've used but no luck, am I screwed?

Yep.. sounds like you are screwed.. if he didnt give you the entire master account info, or he changed the password on it, theres nothing they will do for you. You have to remember a character name and they wont help you get it most likely cause theres far too many people trying to pull scams with that story.

Sorry for your luck.

Well I just emailed support anyways. I gave them as much info as I could. Didn't put the password for the account but I let them know that I can send it if needed. I also pointed out that there's tons of armors on there that belong to my main account, hopefully that ha some weight.

Worst case scenario, I lose everything I had on there (1.4mill in gold, armors, weapons, etc), but it's ok, I pretty much quit playing. I would have liked to give a lot of that stuff to some old friends that do still play though.

try logging on your main account and maybe you have it on your friends list? worth a shot if you havent haha

Given that you've already contacted support, try digging up the names from other places. Perhaps you wrote it down (either physically or digitally - have you got them in a spreadsheet or on some random forum/facebook/etc post?), have it in a screenshot, have it on your friends list, have anybody else you can ask, etc. Unless you are super secretive with your igns, it's entirely possible you've put it down somewhere at some point.

Where you in a Guild ? if both in same Guild then if not kicked you can also look there

If you have contact from old friend, maybe e still has a screen shot folder or something that he can pull a name from? Or perhaps you have an old screen shot somewhere?