In JJS, emotes are generally obtained from the shop, from earning in-game cash through kills, or from codes and special event rewards. The sources I found do not confirm a separate, guaranteed unlock method for a specific “Shadow Step” emote, so it’s likely tied to one of those regular emote paths rather than a hidden standalone quest.

What to try

  • Open the shop and check the emotes section for Shadow Step or any related bundle.
  • Earn in-game money by playing and getting kills, then use it to buy emotes.
  • Check active codes and event rewards, since some emotes are distributed that way.
  • If you already own it, equip it from the inventory/emote slot menu before trying to use it.

Quick scoop

The clearest pattern from current public guides is: buy emotes in the shop, or unlock free ones through codes/events. That means Shadow Step is most likely obtainable through the emote shop or a limited reward path, not a special hidden mechanic.

TL;DR

There’s no verified public guide in the results that shows a unique Shadow Step unlock quest. The safest answer is to check the emote shop first, then look for codes or event rewards that may have added it.