You can start scoring combos right from the start of a fight. To do this, simply use the weapons that are indicated on the combo bar in the right order, before time runs out.
Keep in mind that if you use the weapons in the wrong order, you’ll need to start the combo over. If you can’t score a combo before time runs out, you’ll get a new combo bar.
For every combo you score, you’ll get a reward. The more combos you score, the more rewards you’ll receive! Press the combo bar to find out what exact reward you’ll get for performing it, like effects and useful items. You’ll get effects (like replenishing your allies’ health) instantly after scoring a combo. To claim items, you’ll need to wait for the fight to end. Your reward will be shown in the final window.