The Instrument (always capitalized) is an object (or thing) within the The Wiki Camp 2. It is a writing utensil in the form of a pen.

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It was created by the Council as a tool to be used in conjunction with the Manuscript. It is the only possible item that can be used to write on the Manuscript itself. The mysterious crimson ink-like fluid within itself is one of the rarest materials in the universe, unable to be replicated through any known means and is thought to be found in the unknown depths that Voidlings originate from. Much like the Manuscript, the current location of The Instrument is unknown, as it was lost to time during the Gradient Wars over one hundred eternities prior to the current iteration of the Multiverse.

Other than being the only known object to work in unison with the Manuscript, the Instrument is otherwise an everyday ordinary pen.