Their is no definite answer for this kind of contest. One possible outcome is that no one may survive in physical form at least.
Assuming that all characters are at their peak, following shall be noted:
1. Vitiate can survive-in spirit form-if his body gets destroyed. He will put considerable fight.
2. The above point is applicable to Sidious also.
3. Revan can use Fold Space ability to escape.
4. Sion is very hard to kill.
5. Nihilus can drain all, if he gets the opportunity.
Last edited by S_W_LeGenD on May 18th, 2012 at 11:54 AM
Drew confirmed in an interview that Revan escaped from the Sith Strike Team. Yes! You heard this right. Revan is ALIVE. According to the rumors, Revan used Fold Space ability.
Nihilus has never been shown {to my knowledge, at least} to successfully drain a prepared adversary. The population of Katarr were oblivious to his arrival, Kreia had to split her attention between both him and Sion; and he immobilized the Exile and her companions before attacking. When Kreia utilizes the attack, it takes four seconds to kill the Council members, which should be sufficient time for an adequately skilled opponent to react.
All this aside, if Tobin is to be trusted, Nihilus's perception is too nebulous to perceive singular Force users. Should Dooku or Sidious be powerful enough in the Force to warrant his attention, they can conceal themselves in the Force to reduce their potency, shielding themselves from his vision and applying their superior skill against him. Likewise, it's highly improbable that Kreia or Nihilus would successfully wield the attack against Vader, who is capable of resisting the Dark Reaper's effects.
Their most powerful abilities negated, Nihilus and Kreia will be easy prey for their many enemies.
Let's also consider knowledge. Literally everyone knows Revan, and the bulk of people know the Sith Emperor.
Six different people could shout out "Darth Bane's armor is vulnerable to lightning!".
However, only Palp's apprentices and Krayt know Sidious, of those Tyrannus and Maul won't know Vader, and no-one knows jack about Krayt, he can pretty much make up whatever he wants, no-one knows about his Rule of One, his powers, or anything.
This gives later-timeline people a definite advantage.
__________________ There are no contests in the Art of Peace. A true warrior is invincible because he or she contests with nothing. Defeat means to defeat the mind of contention that we harbor within.
- Morihei Ueshiba
Hardly. The extent of Nihilus's telekinetic powers have never been proven to be formidable unaided and, even if they were, I'm unsure how useful they would be against opponents whom he would be unable to perceive in the Force due to their ability to conceal themselves from him.