Jaygarcia Saturn - The Gyuuki

For starters, just as a refresher, as we had discussed before St. Jaygarcia Saturn is indeed based on the Gyuuki, a yokai of Japanese myth that is a spider with the horns and build of a cow and the face of a demon. 

 

The Gyuuki, which literally translates to “cow demon”, is generally known for two types of powers: for one, it is able to produce deadly poisons, which are deadly to humans; this is something we see in action with the poison found at the end of its legs just recently, which melted anything in its path. The other is the power to hurt one’s soul with simply a gaze, which in One Piece has been translated with the power of being able to hurt others with his gaze. The regeneration isn’t a trait of the Gyuuki, so it likely is a trait shared among all the Gorosei separately.