(WASD)  movement, (E) to go up, (Q) to go down, (Left Mouse Click) to shoot chains.
Shoot fiery chains at enemies to catch them then harvest their souls with hellfire while dodging the blinding light. You can only have 4 chains active at any given time, wait for it to return to shoot them again.
Samhain marked the Celtic New Year, the end of summer, and the end of the harvest season. It also signaled the beginning of winter, which they associated with death. On this day, the Celts believed the veil between the living and the dead was especially thin. This allowed spirits of the dead to visit the living.