The Introduction basically relates the Phenomenology to the ascent of the soul in Plato's Myth of the Cave. History has already lifted philosophical consciousness from animal sense-certainty to absolute knowledge. Philosophical consciousness is like the educated soul that has left the cave but now has to return to rescue the others who have remained behind.
Natural consciousness is the uneducated soul that is still imprisoned in the cave.
Philosophical consciousness is going to liberate natural consciousness and guide it up out of the cave, raising it from sense-certainty to absolute knowledge. Philosophical consciousness going to liberate natural consciousness and then watch its progress as it ascends out of the cave. He wrote the guidebook for getting out. You're reading it for this course. His mind contains absolute knowledge.