My achievements have an error because I have full orc and it says I don't have the achievement I would like to know if someone could fix that, also I want to ask is there a easy way of getting TC. (I'm not asking for people to give me some.)
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Sorry about putting it in the wrong topic area I only just seen.

You need patience wait a dayand u have the achivement

As stated above, you will have to wait 24 hours to get your achievement.
You've already gotten the achievement, though.

For your second question: There are several ways to get TC.

You can:

-Market (automated market, items board, and ingame (ingame marketing is not suggested though) )
-Bet (with /bet)
-Duel (with /duel)
-Play regular matches and earn 10 TC per win
-Buy a booster to get more than 10 TC per win
-Buy toricredits
-Do the 500/750 TC automated tournaments ingame
-Win the ingame tournaments hosted by Gamemasters
-Win the ingame tournaments hosted by regular users
-Participate in events on the forums, via the Events board
-Making and selling textures

These are most of the ways you can get yourself TC.