Act 3 - Sailor Mercury teleports to Sailor Moon's location, where Jadeite introduces himself. She uses her Aqua Mist on him and Jadeite retaliates by freezing Sailor Moon and Sailor Mercury so he can bring them to Queen Metaria.
All four Kings of the Dark Kingdom known as the Shitennou appear and introduce themselves as servants of the Great Ruler. Kunzite, Zoisite, Nephrite and Jadeite inform the Sailor Guardians they want the Silver Crystal for their Great Ruler. As Princess D recovers, the Sailor Guardians flee.
Act 5 - When Sailor Moon, Sailor Mercury and Sailor Mars have transformed, Bride uses an energy blast on them which compromises their ability to see. Bride strikes down the three Sailor Guardians with a green energy blast and Makoto Kino tosses the Bride over her shoulder.
Act 6 - Sailor Mercury, Sailor Mars and Sailor Jupiter battle Zoisite, demanding he return the energy he has stolen for the Dark Kingdom. Zoisite retaliates with a blast of energy, and they lay on the ground helpless.
Act 7 - When Sailor Mercury, Sailor Mars and Sailor Jupiter arrive Zoisite has a hold of Sailor Moon from behind by the neck. Sailor Mercury uses her Aqua Mist in conjunction with Mars' Akuryo Taisan and Jupiter's Supreme Thunder but Zoisite blocks and reflects the energy back at them, knocking all three to the ground.
Act 8 - Sailor Moon, Sailor Mercury, Sailor Mars and Sailor Jupiter arrive to help Sailor Venus fight Kunzite. Sailor Mercury let's Sailor Venus know, they were all alone in the beginning. She uses her Aqua Mist against Kunzite but her attack bounces off his protective shield.
Act 9 - Sailor Mercury watches in disbelief as Sailor Moon transforms into Princess Serenity. A tear falls from Serenity and turns into the Silver Crystal, the light it emits is so bright it is almost blinding that Sailor Mercury doesn't see the light enter Tuxedo Mask's body. When Queen Beryl arrives for the Silver Crystal the Inner Senshi protect Serenity and Tuxedo Mask from Kunzite. She uses her Aqua Mist. Distracted while fighting Kunzite snatches Tuxedo Mask and takes him back to the Dark Kingdom.
After the power is restored Sailor Venus, Sailor Mercury, Sailor Mars and Sailor Jupiter take their distraught Princess back to headquarters where Sailor Venus reveals the truth. As Artemis tells his story, Sailor Mercury begins to remember her past life during the Silver Millennium.
Act 10 - The Sailor Guardians hold hands in the fountain and teleport with Luna to the moon inside a shield they create. They land at 'Mare Serenitatis' aka 'The Sea of Serenity' and notice the moon is dark and quiet. They walk amongst the ruins of the Moon Castle to the Chamber of Prayer where only Queen Serenity herself was allowed to enter. Sailor Moon spots a sword in stone, Sailor Jupiter tries to pull it out. With Sailor Mercury and Sailor Mars help they manage to loosen the sword from the stone slightly before Sailor Venus completely frees the sword. Queen Serenity's consciousness appears to the Sailor Guardians and as she tells them the history of the Moon Kingdom their memories return and they see the Moon Kingdom as it once was. The Sailor Guardians head back to Earth just as morning arrives.
When Kunzite begins transforming Tokyo into a desert of ice, the Sailor Guardians arrive. Sailor Moon inquires to the whereabouts of Tuxedo Mask but Kunzite notices the Silver Crystal around her neck and goes to attack her but the Inner Senshi block the attack. Sailor Mercury fights one on one to protect the Princess and the Silver Crystal with Zoisite. Sailor Venus explains that the Shitennou are not their true enemies, Sailor Mercury remembers one day when Princess Serenity snuck out to see Prince Endymion the Inner Senshi followed her, and she too was fascinated with Earth and feel in love. When the Shitennou attack the Inner Senshi, Sailor Moon retaliates by throwing her tiara at the Shitennou. The Inner Senshi combine their power together and use Sailor Planet Attack against Shitennou in order for them to recall their true selves but before the Shitennou can regain their memories they teleport away.
Act 11 - When Motoki Furuhata grabs the Silver Crystal from Usagi, Sailor Venus uses her Venus Love-Me Chain to snatch the Crystal back but Tuxedo Mask blasts energy and floats the Crystal then Sailor Mercury uses her Aqua Mist to blow the Crystal towards her but Tuxedo Mask grabs it so Sailor Mars kicks him.
Act 12 - The Inner Senshi block an attack from Tuxedo Mask. When Artemis notices HQ is starting to collapse, Sailor Mercury creates Hyperspatial Sphere Generate which teleports Sailor Moon, Sailor Mercury, Sailor Mars, Sailor Jupiter, Sailor Venus, Queen Beryl and Tuxedo Mask out of HQ. Beryl clutches all five Sailor Guardians with her hair. Sailor Venus summons the Sacred Sword to her hand and uses it to cut the Guardians free from Beryls grasp. Sailor Moon takes the Sacred Sword, Sailor Mercury uses Mercury Goggle to find the weak point, Sailor Venus uses her Love-Me Chain, Sailor Mars uses her Akuryo Taisan and as a team the Sailor Guardians attack Queen Beryl.
The Inner Senshi fly to the North Pole when Luna and Artemis detect Sailor Moons location. When they enter a cave they come across the more powerful then before Shitennou and have no choice but battle with them. When the Inner Senshi use their Sailor Planet Attack against them, the Shitennou remember their past lives as Knights who swore to protect their master Prince Endymion. When Queen Metalia destroys the Shitennou for rejecting the power of darkness the girls begin to grieve until they hear the voices of the Knights telling the Inner Senshi they still have a mission to complete and Sailor Moon needs help.
Sailor Moon picks up the Sacred Sword just as the Inner Senshi arrive. Seeing what Sailor Moon is about to do, they voice their opinion against it.
Act 13 - The Inner Senshi watch as Sailor Moon strikes Tuxedo Mask with the Sacred Sword before turning it on herself and they fall to the ground. Queen Metaria attacks the Inner Senshi as she is filled with the power from the Silver Crystal. When Sailor Moon is sucked into Queen Metaria along with Tuxedo Mask and the Silver Crystal, the Inner Senshi teleport from the Dark Kingdom to the Arctic Circle which is now just a field of stone. They use Sailor Planet Attack against Queen Metaria which she uses against them. The Inner Senshi lie on the ground helpless to stop the invincible Queen Metaria. They remember Usagi's smile, her strength and hear her words of encouragement and they know Sailor Moon is still alive. The Inner Senshi lack the strength to seal Queen Metaria and her darkness themselves but they can make the conditions right to give Sailor Moon the chance by using the power of their individual guardian planets and the energy generated when they transform. They throw their transformation pens, which is the same as throwing away their lives. Pens are not just for transformation they contain sacred powers each Guardians very life force, send them to Sailor Moon to help her by making the ultimate sacrifice. To awaken their Princess, Sailor Mercury calls out "Mercury Power" and throws her pen into Queen Metaria who attacks the Inner Senshi.
Act 15 - After Sailor Mercury transforms into a stronger version for the first time using her Star Power Stick, she uses her Aqua Mist against 2 Droids. Sailor Mercury unsuccessfully uses her new attack Shine Aqua Illusion to try and extinguish the flame sphere that Koan trapped Sailor Mars in.
Act 16 - After Berthier takes the fight outside, Sailor Mercury uses her goggles to scan the Droids and discovers they're not living creatures just dolls disguised as people. She uses a new attack Shine Snow Illusion against the Droids. Berthier attacks Sailor Mercury trapping her within a water sphere. When Rubeus arrives, he takes Sailor Mercury back to Nemesis through a portal in the sky.
Act 22 - Sailor Mercury attacks with her Shine Snow Illusion while Sailor Mars attacks with her Burning Mandala and Sailor Jupiter attacks with her Sparkling Wide Pressure against Prince Demande, but Wiseman blocks the attack. Prince Demande immobilises Sailor Moon, Sailor Mercury, Sailor Mars and Sailor Jupiter with his Invincible Evil Sight. When the Black Crystal Reactor begins to overload Sailor Moon throws her tiara at Prince Demande and they are released from control. When Sailor Moon calls for Sailor Pluto to lend them her power, she is sent a Silver Key and they escape the Black Moon Castle.
Act 23 - Sailor Pluto leads Sailor Moon, Sailor Mercury, Sailor Mars, Sailor Jupiter and Sailor Venus through the storm in space-time. Sailor Mercury is unable is get stable coordinates.
When the Guardians return from the 21st century, Sailor Pluto explains a second Black Crystal Monolith has appeared in Crystal Tokyo. When Sailor Moon, King Endymion, Sailor Mercury, Sailor Mars, Sailor Jupiter and Sailor Venus gather outside the Crystal Palace where Black Lady landed she explains she used to be known as Chibiusa now she is Black Lady.
Act 24 - Saphir grabs Sailor Mercury and Sailor Mars with his Beast Hands and throws them to the ground before Prince Demande uses his Invincible Evil Sight to immobilise them. Black Lady tosses the Inner Sailor Guardians aside.
Death Phantom who has merged with Nemesis, emits darkness which releases the Inner Senshi from their binds and drains their energy.
Act 25 - Just as Prince Demande is about to bring the two crystals together, Sailor Mercury helpless to stop him, Sailor Pluto commands time to stop. Usagi, Inner Senshi, Tuxedo Mask, Luna, Artemis, King Endymion are released from the time freeze before time resumes and they gather around a weakened Sailor Pluto.
While Sailor Moon and Tuxedo Mask attack Death Phantom together with the Cutie Moon Rod, Sailor Venus leads the others into battle. Sailor Mercury attacks with Shine Aqua Illusion, Sailor Mars attacks with Burning Mandala, Sailor Jupiter attacks with Sparkling Wide Pressure, Sailor Venus attacks with her Love-Me Chain.
Sailor Mercury informs the others energy levels of the Black Crystal are rising. Sailor Moon, Sailor Mercury, Sailor Mars, Sailor Jupiter, Sailor Venus, Tuxedo Mask, King Endymion, Sailor Chibi Moon, Luna, Artemis and Diana get trapped in distorted space by Death Phantom.
Act 26 - Sailor Mercury, Sailor Mars, Sailor Jupiter, Sailor Venus, Tuxedo Mask, King Endymion, Sailor Chibi Moon, Luna, Artemis and Diana return to 30th century Earth without Sailor Moon.
Sailor Mercury, Sailor Mars, Sailor Jupiter and Sailor Venus believe they should go with Sailor Chibi Moon to fight with Sailor Moon and Tuxedo Mask against Death Phantom, but Neo-Queen Serenity advises they wait for them to return.
Neo-Queen Serenity informs the Inner Senshi that Sailor Moon, Tuxedo Mask and Sailor Chibi Moon combined their powers to strike down Death Phantom/Nemesis once and for all. Neo-Queen Serenity then grants Sailor Mercury new planet powers with her Spiral Heart Moon Rod, to become the Guardian of Wisdom.
Act 27 Part 2 - A Daimon attacks Sailor Moon, Sailor Mercury, Sailor Mars, Sailor Jupiter, Sailor Venus and Sailor Chibi Moon. Sailor Mercury scans the Daimon and warns the others to watch out for its claws, she attacks with her Aqua Mist. The Daimon chases Sailor Moon and Sailor Chibi Moon. After the fight the Guardians and Mamoru see Sailor Neptune and Sailor Uranus for the first time.
- Pretty Guardian of Love and Intelligence in a Sailor Suit! Sailor Mercury! Douse yourself in water and repent!
- I am the Pretty Guardian who fights for love and for intelligence. I am Sailor Mercury! Douse yourself in water and repent!
- Protected by Mercury, the planet of water. The Guardian of Wisdom. I am Sailor Mercury! Douse yourself in water and repent!
Sailor Mercury has short blue hair and blue eyes and wears golden tiara with a blue gem in the middle and blue stud earrings. Her sailor fuku has a blue skirt with lighter blue ribbons tied into a bow on her chest and a blue round gem and on the back of her skirt in the middle of her back bow. She also doesn't have a shoulder sleeves. She has blue knee-high boots with short heels and white trim. Her gloves are white elbow length with a blue trim.
Powers and Abilities
- She is the teams strategist
- Attacks relating entirely to liquid water as well as ice, snow, frost, sleet, mist, steam, fog and cold
- Her steam/mist/fog-related attacks enable Mercury to blind her opponents
- Freezing monsters in solid ice and frost, and dousing them in very cold water
- Create strong waves and whirlpools, and even freeze her enemies in cylinders of solid ice and snow
- Create an exceptionally strong, bright blue force field for protection; capable of withstanding extensive damage of energy-based attacks