Catalyst is a useful back bling in Fortnite Battle Royale game.
It is possible to obtain Catalyst from the Rogue Agent outfit.
How to get
To own the costume, you need to buy the Fortnite Starter Pack first.
You are able to use the Catalyst with any other cosmetics in the Locker. You can choose other back blings to combine them with the suit, too.
Catalyst also fits the Elite Agent.