Zodiac

The Zodiac Circle is a powerful source that was written millions of years ago by the ancient natives of Gravity Falls saying that if both symbols came together it would defeat  Bill Cipher  and pt an end too the  Weirdmageddon forever.

Description
The circle have ten different markings; a shooting star, pine tree, science glasses, lama, clem, glummer star, stitched heart, question mark, ice block and an eight-fingered hand. When brought together an ultimate power will be unleash that would then destroyed Bill and reverse his weirdness across the entire valley forever.