Egg-laying group is the key factor to decide whether two Baokemeng can lay eggs, and only the Baokemeng with the same group can lay eggs.

Related introduction:

Each kind of elf is set to 1 or 2 groups. When a male and a female have a same group, the two treasures can lay eggs in their dreams.

A small part of Pockmarked Dream will change the grouping of raw eggs after evolution, but the grouping of raw eggs will not be changed when the shape of Pockmarked Dream with the same number is switched.

The grouping of raw eggs is the treasure of "no eggs found". Ditto, whose egg grouping is "Ditto", can lay eggs with any kind of Bao Kemeng who is not Ditto and has not found eggs, and the Bao Kemeng born must be the other party besides Ditto.

extended information

if two baokemeng with different sexes and the same egg group are stored in a breeding house or a boarding house, it is possible to get a baokemeng egg. If the registered Baokemeng does not have a group of eggs, or is of the same sex, it is impossible to lay eggs. A treasure dream that has not found a group can't lay eggs under any circumstances. In particular, Ditto can dream and lay eggs with any treasure who is not Ditto and undiscovered group.

In the second generation, every step you take has a certain chance of laying an egg. When judging whether two precious dreams can lay eggs, their egg group is the only criterion. In Baokemeng of the same egg group, if the defensive individual values of parents are the same, but the difference of special individual values is less than 8, they will not be able to lay eggs, because they are probably the same Baokemeng family.