Dark Mirror - Slices Open a Stasis Tube

Moving further into the depths of the Archives, the Toa and Matoran came upon a group of stasis tubes. These were used to keep Rahi in suspended animation so they could be studied. At least, that's what they had been used for in Takanuva's universe. In this dimension, he saw with shock that they served a quite different purpose. One tube stood apart from the others, the glow of a Lightstone playing on its face. Takanuva wiped the dust from the crystal and gasped: inside, trapped in stasis, was Turaga Dume, ruler of Metru Nui.

(...)

Takanuva fired a beam of laser-light from his left hand, slicing open the crystal case. Takua grabbed his arm, trying to pull away. "Are you crazy?! What if there are alarms? You can't do that!"

"I just did," said Takanuva, catching the falling Dume. Consciousness slowly returned to the Turaga, and when he saw Takanuva, he said, "Who are you?"