|Pet Battle System|
|Abilities · Companions · Trainers · Tamers|
can be used to upgrade a pet to uncommon quality, while all kinds of Flawless Battle-Stone will upgrade a pet to rare quality. Polished Battle-Stone and the generic can be used on any pet, while all other kinds can only be used on a pet of the appropriate type.
Flawless Battle-Stones of all kinds have a small chance to be obtained upon winning a battle against wild pets. Type-specific Battle-Stones also have a small chance to be obtained from the awarded from defeating master trainers.
Players can also trade in any 3 of the same family specific Flawless Battle-Stones for a single .