The Curious Explorers Club Every adventure uncovers a mystery 2

Previously

…As the sun began its slow descent, casting long shadows across the dusty observatory, Mia carefully placed the bronze locket into her backpack. The Ouroboros symbol on its surface seemed to wink in the fading light, a silent promise of more mysteries to come. The first page of the explorer’s notebook, which had been blank except for the Ouroboros symbol, now shimmered with a faint, ethereal light. As they watched, a new symbol began to form, a delicate outline of a gnarled tree with roots that spread wide and deep. The second mystery was unfolding, and The Curious Explorers Club was ready.