52BBY Palpatine vs Tenebrous
A similar situation in the novel where Plagueis has an attempt on his life and Palpatine senses it. Instead of the Maladian Assassins attacking, however, it's Darth Tenebrous, seeking revenge on Plagueis. Sidious comes in finding his master dead. His rage begins to unfold and Tenebrous seeks to kill him to end Plagueis' legacy. Which of the two would prevail in a contest of skill and power?