Grand Star (Canon)/Maverick Zero X

Summary
Grand Stars are very large and powerful Power Stars in Super Mario Galaxy and Super Mario Galaxy 2

Powers and Stats
Tier: Low 2-C

Name: Grand Star

Origin: Mario Bros.

Age: Unknown

Classification: Cosmic Artifact

Wielders: Rosalina, Bowser

Powers and Abilities: Cosmic Energy Manipulation, Spatial Manipulation, Power Bestowal, Levitation, Universe Creation and Destruction, Portal Creation, can create dark matter which can erase anything that touches it from existence, Black Hole Creation

Attack Potency: Universe level+ (Empowered the Galaxy Reactor, a mechanism that would've collapsed and recreated the universe if not stopped. This includes its space and time)

Speed: Massively FTL+ (Superior to Power Stars, which can quickly fly across galaxies)

Durability: Users are boosted to Universe level+

Range: Universal+

Weaknesses: None Notable

Feats:

Capable of collapsing the universe and creating a new one

Note: Base Mario scaling to a Grand Star-empowered Bowser would be illogical from a Powerscaling perspective as he is consistently portrayed as comparable to Base Bowser.