Dagon Bye is the final zamorakian mystery unlocked at level 68 archaeology, and it unlocks ancient summoning when you finish it. The mystery has you surrounded by a bunch of pillars that you have to move, but all are named after zodiac signs. This video will tell you the correct order in completing the Dagon Bye Mystery! Talk to Dagon the Gatekeeper, who will give you a zodiac code. The zodiac signs included are: Cancer, Scorpio, Pisces, Aries, Leo, Sagittarius, Taurus, Virgo, Capricorn, Gemini, Libra and Aquarius. There is a specific order that these must be pressed in which is figured out by how many limbs each animal depicted on the zodiac sign has. If you have any questions feel free to comment below, and if you need further information or help check out here:
After you finish the quick mystery, simply sign the pact with dagon that you recieve, and then you have now unlocked ancient summoning!
Another major thing this unlocks is Movaro, who is a possible researcher for your research team. He is great because he gives your team +6% speed, making your trips much quicker than before.