The vortigaunt lowers his head for a moment, as if in consideration. He looks back up at the human, coughing into his claw before speaking. "This ones vortessence is weaker then that of my kin, this one shall attempt to assist." His eyes blink at random intervals again as he watches the human.
It seems as Ori does not understand the Vortigaunt, tilting his head to the side."Vor...Tessence? I would guess it is that green stuff you do with your hands?