Cresselia

Cresselia (, Crecelia) is a creature from the  series.

Origin
is a Psychic-type introduced in, and is categorized within the Pokédex at #488 as the "Lunar Pokémon". It is associated with the crescent moon, and its possesses the ability to dispel nightmares, in particular the ones caused by Darkrai.

In and, Cresselia can be found on ; however, when interacted with, it runs away and has to be chased throughout  to be battled. In later games, Cresselia is battled as a regular, stationary Legendary Pokémon.

is a physical Psychic-type move with 70 base power, 100% accuracy and an increased chance of dealing a. In every game Cresselia appears in, it can learn Psycho Cut by level-up.

As a stage element
Cresselia is one of three Legendary Pokémon that can appear and cause battle effects on the Spear Pillar stage in Brawl, alongside Dialga and Palkia. When the stage is tinted blue, Cresselia may appear instead of Dialga, which uses the same color tint. Cresselia remains stationary like two other Pokémon, occasionally attacking with after howling. It uses Psycho Cut in two different ways:
 * Throwing a single Psycho Cut that swoops across either the upper ground or the cave, like a boomerang. Deals 20% damage.
 * Throwing a series of Psycho Cuts across the stage in straight lines from its position. Deals 15% damage.

As a stage element
Cresselia reprises its role as a stage hazard on the returning Spear Pillar stage. Spear Pillar now allows for any of the three Legendary Pokémon to appear each time, rather than being set for the whole match; however, Cresselia appears much less frequently than Dialga and Palkia. Unlike in Brawl, the stage now has a green color tint when no Pokémon is active, and Cresselia's appearance does not change the color from this default green; in Brawl, Cresselia used the same blue tint as Dialga to signify its appearance.

As a spirit
Cresselia appears as a spirit in Ultimate. It is an Ace-rank primary spirit of the Shield type.

Cresselia's Spirit Battle involves defeating on Spear Pillar. The battle conditions are: For this battle, Cresselia is the only one of Spear Pillar's three Pokémon that will appear on the stage.
 * The enemy has increased defense after a little while