Lego Bionicle Special Edition Set Umbra
Umbra is a guardian of the volcano of Voya Nui. To get to the Mask of Life the Toa will have to find and defeat Umbra, whose powers are based on light. But Umbra is not evil. He was placed there by the faithful forces of Mata Nui to ensure that no-one with evil intentions will ever be able to take the mask.