: These are hidden objects scattered across levels that provide backstory on the "nightmares" you are capturing.
: In the v2.0.0 update , the developers focused on performance and bug fixes, but certain "pieces" of equipment are required to enhance your character's ability to survive longer nightmare sequences. the-nightmare-catcher-early-access
If you are actually looking for the "Nightmare Catcher" item in the game Blox Fruits , it is a Mythical material dropped by Reborn Skeletons and Living Zombies in the Haunted Castle (Third Sea). It is used to upgrade the Pain Fruit to its "Torment Conductor" and "Spectral Assimilation" forms, as detailed on the Blox Fruits Wiki . : These are hidden objects scattered across levels