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Prince of Heart/Thief of Rage (@Acrobolt asked by @mayennalee)

Let's start with the Prince of Heart
Prince is the active destroyer class, directly destroying their aspect, like how Eridan destroyed all hope of the resurrection of the troll race by hopesploding the Matriorb and Dirk ripping out Aranea's soul
Heart is to do with self, love and soul.
A Prince of Heart destroys love and soul and like all heart players, has a splintered personality. They are unaffected by Trickster mode and can rip a person's soul out their body.
The opposite of a Prince of Heart is a Sylph of Mind

Now for the Thief
A Thief steals their aspect for selfish purposes, and are often lacking in it. Vriska had really terrible luck and is able to steal luck, and Meenah isn't exactly lively and 'stole' the Lives of her friends so they could survive as ghosts
Rage is to do with passion and emotions, fore mostly anger.

A Thief of Rage would be able to steal the rage of others for their own needs. They'd often be rather riled up while those around them are calm
The opposite to a Thief of Rage is a Page of Hope
Acrobolt hope you like!