: The series relies heavily on Ether Gear , a power system based on rearranging the "Ether" (energy) within one's body to gain superhuman abilities like gravity manipulation.
: Just as Luffy seeks the One Piece, Shiki Granbell and his crew sail the starship Edens Zero to find Mother , a legendary cosmic goddess who can grant any wish. Edens Zero
: The story centers on a tight-knit crew, each with distinct roles and personal dreams, traveling between diverse planets that function like One Piece ’s themed islands. : The series relies heavily on Ether Gear
: A central question of the series is whether robots and androids possess a "heart" or soul, emphasizing emotional depth over biological humanity. Related Media : A central question of the series is
: It can be significantly darker than Mashima's previous work, Fairy Tail , often dealing with mature themes of mortality and existentialism.