Note: The 2-Step Breakout Evaluation is no longer available for new purchase. This applies only to existing 2-Step holders. See What rules apply to my existing 2-Step Breakout Evaluation? for the full rule set.
The maximum drawdown limit is 6% of your initial account balance, and it's static: it doesn't move as your demo account balance changes.
Example: On a $100,000 2-Step evaluation, your maximum drawdown is $6,000 (6% of $100,000). If your balance grows to $105,000, your drawdown floor is still $94,000 ($100,000 - $6,000).