Alright, the tie has been broken, option C triumphs!
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The vocal minority of spirit worshipers managed to shout out all opposition, especially the increasingly urgent and desperate cries of the animal tamers. An expedition was immediately mounted, and departed for the forest.
Only one would come back...
After several hours, a man returned. He was clearly in pain, the skin of his arms blackened and sloughing off in places. He stumbled blindly towards us, but in his right arm he brought a piece of wood. On top of this piece of wood, a small spirit danced, merrily, not at all threatening. The darkness of the night fled from the area surrounding the man, and many fell on their knees, awestruck by the strange scene.
In the following months the worshipers of fire (thus we named the spirit) would always strive to keep the spirit alive and sheltered. We learned, not without losses, some of its uses. We learned to feed it with animal dung. We learned to hold the raw meat over it, to make it tastier and easier to ingest. We learned it was a fickle spirit, to ignore it would provoke its feeding wrath. We learned that water would kill it, while earth would resist its feeding attempts. We learned that the things touched by it would send black air to the sky, as if their essence was dispersed by it.
But now we had to face a more urgent problem. Our zebra herd was irreversibly scattered, most beasts taking the first opportunity to go back to their feral habits. More worrying, the great herds by now had learned to avoid us and run at the very first sight of us. To catch more beasts, we were forced to take a hard decision: we had to follow one such herd to wherever they were escaping to.
Our scouts had spotted three main herds, taking three different headings. The great ancestral forest at our back,
the greatest of the herds went to the right, where our explorers told us an endless plain ran on, seemingly forever.
The second went directly in front of us, towards the rising sun.
Far in the distance in this direction the earth rose sharply, an immense rock blotting out the horizon.
The third went to the left, towards hilly grounds.
The boldest of our hunters had gone there in the past, speaking of the horizon taking a blue hue at the farthest reach of their sight.
So, choice time, yet again:
A: Follow the main herd, leaving the forest forever behind, towards the endless plains.
B: Go towards the rising sun, towards the great rock rising above the horizon.
C: Go to the hills and the strange blue horizon.
24 hours (ish, I'll always update around the same time if I can), majority vote for the next update!
So I try to think of what the tribesmen would think 
