Resonant Orb

The Resonant Orb is an item in Marrow

Description
The Resonant Orb is found in the Reservoir. It is used to solve several puzzles across the game as well as deflect projectiles from bosses and enemies. The Resonant Orb plays a tune and emits a color depending on the direction the player presses while holding it. It can emit Red, Yellow, Blue, Green, and Purple light.

Lumen Flies resonate with the Resonant Orb and will mimic the note played as well as the color. Controlling or mimicking the Lumen Flies with the Resonant Orb is the solution to several puzzles.

The Resonant Orbs also reveals hidden enemies, platforms or traps if used with the correct color. Another purpose - deflecting certain enemies or bosses attacks, such as Imprisoned Seer, Olnok's Eyes or Lamb. It's also able to defend Daniel from drops of marrow in some places (such as pool of marrow underneath the lower save room at the Necropolis.

Lore

 * "Though nearly weightless, causes the hands to tremor and twitch."