Age of discovery

In the world of cave men and dinosaurs what seems like fire falls from the sky and forms a river of water right in the middle of the desert that you live in you see the light inside your cave and as you get close to the newfound water source you see strange shiny plants under the water you swim down and decide to grab one suddenly your eyes are opened you feel knowledge flood into your head and something else something strange as you move out of the newfound water source the flower in your hand forms a bracelet around your wrist and no matter how hard you try you are unable to remove it the problem is now your newfound accessory had drawn attention from animals and other cavemen alike what will you do faced with this newfound item as well as the danger it brings