"Shadow" was a Makuta and a member of the Brotherhood of Makuta.
"Shadow" was created by Mata Nui alongside the other Makuta. Like all Makuta, Shadow origionally worked on creating Rahi.
Once one of the Brotherhood's greatest scientist, Shadow went insane after an encounter with a fellow Makuta. This lead him to attempt to sacrifice an entire island of Matoran so he could absorb them and became all-powerful.
This plot was thworted by a Toa of Air named Morvak. Shadow was killed during his battle with Morvak.
Abilities and Traits:
Shadow, dispite being psycotic, was very intellegent, and a master of hand-to-hand combat. His one weakness was that he often under-estimated his opponents.
Being a Makuta, Shadow possessed several different abilities. These included elemental Shadow powers, great strength, Kraata production, Shap-Shifting, and the 42 Kraata/Rahkshi powers
Mask and Tools:
Shadow wore the Great Mask of Emotion. This mask allowed Shadow to control his opponent's emotions to a certian extent. His weapon of choice was a double-bladed staff that could launch explosive Rhotuka.
Bionicle is the property of the Lego Company. "Shadow" is my personal creation.