Everyone is in different parts of the Labophase looking for the missing Dr. Vegapunk Stella and Jewelry Bonney; one could argue that people missing is yet another trope of the whodunnit.

Source: https://www.cbr.com/one-piece-egghead-arc-whodunnit/

One of the members of the Worst Generation, Jewelry Bonney is a highly-skilled fighter.

Source: https://gamerant.com/one-piece-strongest-most-powerul-female-characters/

Speaking of gluttons, Jewelry Bonney could also end up needing a ride off of Egghead.

Source: https://www.cbr.com/one-piece-can-straw-hat-pirates-accommodate-dr-vegapunk/