In order to hatch a Mercenary Digimon Egg, you must put an egg in an Incubator and input the corresponding data. When inputing data, one of three things can happen:
- Success, improving the rank of the digi-egg;
- First type of Failure, which will use the data but the egg will remain at its current rank;
- Second type of Failure that will use the data and destroy the egg in the incubator.
A digi-egg can be upgraded up to 5 times, but can be hatched at ranks 3-5.