which involved pagan and supernatural rituals.

However, the article also highlights that  Pope Gregory III later moved All Saints' Day  

to coincide with Samhain, signifying the onset of  Halloween's association with Christian traditions.

Celts believed that on Samhain, the  souls of the dead would visit their  

homes - and that those who had died in the past  year would travel to the next world. As a result,  

people would light bonfires and  wear costumes to ward off ghosts.

They also believe the presence of spirits  can enhance their priest called Druid's  

ability to predict the future. This belief  could be a contributing factor to the  

widespread practice of fortune-telling  during Halloween in contemporary times.