The First Descendant battle pass has a few free accessories you can unlock, but they're concealed through a hidden menu.
Turns out it was not intentional as The First Descendant devs reveal that the incomplete records really are a bug.
Nexon announced that they plan to buff Skill-based characters to Freyna's or Ines' power level in The First Descendant,
The First Descendant developers revealed that the Battle Pass for Season 3 will have one significant improvement compared to the others.