Under construction



A Toa's heartlight flashed rapidly when he ran.1

A Matoran's heartlight could fade to black (presumably indicating something bad).2

Mentioned in:

"The Matoran within slept an unnatural sleep, eyes dark, heartlight faintly pulsating.3

"Axonn was on top of the Toa in the flash of a heartlight, axe blade at the intruder's throat."4

See The TTV Message Boards, "Ask Greg" [link].