The leader pleaded for the primates to act as Ember's assistants, to carry the metals, stoke the mundane fires, and simply watch the creation of the tower unfold. Even if their mana-blind minds couldn't fully comprehend the metaphysical laws Ember was weaving, they desperately wanted to bear witness to the birth of a miracle, hoping to catch even a fraction of a lesson that could help their race move forward.
Seeing his own ancestral kin display such an unyielding, desperate hunger to learn and evolve, despite all the odds stacked against them moved Ember to his very core. The sheer spirit of the primates broke through his usual stoic craftsman demeanor. Stirred by a profound sense of pride and pity for his lineage, Ember made his choice. He stayed, opening his forge to the blind primates and allowing them to become the hands that would help build his masterpiece.
