Chancellor Palpatine spent many years studying ancient Holocrons to learn the secrets of the Sith. The Holocrons enabled him to channel Sith spirits, who taught him how to harness dark-side energy and release lethal bolts of lightning. During the Clone Wars, Palpatine conducted Sith rituals on Coruscant that radiated unnerving ripples in the Force, which caused anxiety among most Jedi throughout the galaxy, but also served to increase Anakin Skywalker's hunger for power.
--Taken from The Ultimate Visual Guide
Originally posted by Deronn_solo
Chancellor Palpatine spent many years studying ancient Holocrons to learn the secrets of the Sith. The Holocrons enabled him to channel Sith spirits, who taught him how to harness dark-side energy and release lethal bolts of lightning. During the Clone Wars, Palpatine conducted Sith rituals on Coruscant that radiated unnerving ripples in the Force, which caused anxiety among most Jedi throughout the galaxy, but also served to increase Anakin Skywalker's hunger for power.--Taken from The Ultimate Visual Guide
Thank you, my friend.