acid shield
Acid shields were claw-shaped tools attached to the arms of all Lehvak. Lehvak could spray a powerful acid from them that was able to dissolve any substance on Mata Nui in a matter of seconds.
Notes
The acid shield was a tool carried by the Lehvak. This shield secreted a special acid that could eat through any substance on Mata Nui in a matter of seconds.1 The Lehvak's acid shields were powerful enough to dissolve any substance.2