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> Eternal Diamond and Eternal Pearl
> Eternatus is the personification of Energy itself, and draws upon its own dimension of power to fuel Dynamax.
> Skeletal frame was to allude to the fact that it becomes an exoskeleton for either Dialga, Palkia, or Giratina, giving them Eternamax forms.
> Check Eternamax Eternatus's Pokedex entries for verification (it warps space-time around it)
> Upon attaching to Dialga or Palkia, it grants them significant power.
> Eternatus is actually part of the body of Giratina, and the two are supposed to bond together (unlocked when Cyrus attempts to use Eternatus to bond with either legendary at Mt. Coronet).
> Eternatus and Origin Form Giratina share similar structures, which was also supposed to allude to this combination
> Eternamax Giratina will attempt to destroy Sinnnoh, players must capture the game's mascot legendary to stop it.
> Ensuing raid begins.
> The massive influx of energy ends with Arceus reawakening, thus leading to a short post-game episode where Arceus returns and the player has to catch it in a typical raid.
> Arceus has its own final form called Archamax Arceus, in which all of its plates swirl around it. It's actually a pretty cool battle, as Arceus can choose what typing Judgement will be. It is intended that Eternamaxed mascot is used against it.
> The starters get gigantamaxed forms.
> Infernape has fire all over its head, flaming fists. Its golden plates become like gauntlets for it.
> Torterra becomes a giant continent, of course.
> Empoleon is on its stomach, now functions as a sort of boat. Extremely streamlined boat, at that, with its mask extending past its head and acting like a helmet.