Emperor Rasa

Darth Rasa is a male  Human Sith Founder.

Origins
Rasa Was Born In 23,058 BBY In Moraband And  Founded The Sith  Rasa Later Gained Immortality By Draining The Life Forces Of An 10 Worlds In Order To Increase His Lifespan.

Rasa's Lightsaber
Rasa Went to A Lightsaber Crystal Cave. And Got A Synthetic Lightsaber Crystal And Used It To Make His Sith Lightsaber  And Became A Master Of Every Lightsaber Forms.

First Battle Of Geonosis
Rasa Was Medataing Until The Jedi came. Rasa Jumped And Killed Many Jedis But Then Defeated By Saesee Tiin  Rasa Swore Revenge On Saesee Tiin.

The clone wars
Rasa's Body Started Dying So He Resurrected Darth Malgus For Tulak Hord's Ritual And Now Is In Darth Malgus's Body  Later Rasa Disbands The Cis And Recreates The Sith Empire And Uses Clones Of Jango Fett To Counter The Republic And Quickly Ativated The Order 66 Code On The Sith Empire Troopers And Makes Kane Supreme Commander Of The Sith Empire Military Later Rasa Resurrects Darth Bane Darth Malak Darth Nihilus Darth Sion Exar Kun Darth Revan Darth Desolous Aloysius Kallig Darth Nox Tulak Hord Darth Bandon And Darth Andru Later Rasa Becomes The Leader Of Death Watch Later Rasa Consumed The Life Of Every Living Thing In The Galaxy, And Become Like A God And Then Went Back In Time To Where He Consumed The Life Of Every Living Thing In The Galaxy And Killed His Other Self

Dark Powers

 * Deadly Sight
 * Enhance Force Sensitivity
 * Force corrupt
 * Force lightning
 * Force choke
 * Force crush
 * Force drain
 * Force Destruction
 * Force phantom
 * Force Slow
 * Force insanity
 * Force scream
 * Force rage
 * Thought bomb
 * Memory Walk
 * Spear of midnight black
 * Tulak Hord's Ritual 
 * Midi-chlorian manipulation
 * Sith Emperor's ritual
 * Sith alchemy
 * Force Walk
 * Dathomir Magic

Personality
Manipulative, Cunning Ruthless  Aggressive, Vicious Pure Hatred And Evil, And Ambitious, Darth Rasa Used Treachery To Break Both Allies And Enemies. Rasa Also Delved Deep Into Experimenting With Long Forbidden Powers In Order To Increase Influence And Seize Authority.

Darth Rasa Took Great Pleasure In The Feeling Of Subterfuge During Their Political Maneuverings And Suffering Of Others And Would Often Torture Minions And Opponents For Simple Amusement. The Sith Lord Electrocuted Those Who Defied Them,

Trivia
Rasa Was Born Evil. Rasa Is Immortal, Rasa Uses All Lightsaber Form Making Him A Deadly Opponent Rasas Rank Is Dark Ruler Of The Sith