Trista/Sailor Pluto Trista is the Guradian of Time. She is the holder of one of the crystal treasures Transformations and Attacks Pluto Star Power Pluto Deadly Scream Important Episodes Episode 068-She appears inside Rini's Luna Ball Episode 075-We met her at the Gates of Time Episode 103-First appearance in her civilian form, Trista Meioh 104-She transforms into Sailor Pluto and reveals she has the third crystal treasure(pure heart crystal.) 105-She uses her "Pluto Deadly Scream" is first shown