What are Storm Characters? - One Piece Thousand Storm
Since I got this question so many time under 1 video (!!!), here is a quick information video about the matter on hand, explaining what storm characters are and how to finish the mission on the challenge grid.
_______________________
Discord: / discord
My Facebook: / ghfcjulian
_______________________
DISCLAIMER: None of the content about the game presented in the video is mine. All content belongs to Eichiiro Oda and/or Bandai Namco. All pictures and information is taken off the official (japanese) wiki of One Piece Thousand Storm. All vidoes of character skills and specials is taken of the official (japanese) Wiki and Twitter account.