How to lock character in Eternal Foam

When playing Pokémon, what is important for a genie is only the racial value of the individual value of the effort value, the character traits and the matching moves.

The character of an elf can make it give up some of its own less important ability value to other aspects such as the commonly used stubbornness, plus physical attack minus special attack, introverted conservative plus special attack minus physical attack.

But the character of the elves can not be changed later, so if we want to start the elves they want to character right, need to start the liver but there are techniques.