Participants Episode(s) Result
Ace-Ops vs. Geist "Ace Operatives" Won
Elm, Yang and Blake vs. Megoliath "Out in the Open" Won
Elm vs. Megoliaths "Out in the Open" Won
Ace-Ops vs. Team RWBY "With Friends Like These" Lost
Ace-Ops vs. Penny "Strings" Retreated


Prior to the start of the series, Elm graduated from Atlas Academy, enlisting into the Atlesian army and becoming the member of the Ace Operatives specialists.

Following the Fall of Beacon, James Ironwood enlisted Elm, as well as the rest of Ace-Ops, into his secret group with the goal of stopping Salem and her forces through the use of the Amity Communications Tower.


In Mantle

Greeting Ruby and her friends excitedly

Harriet and her team were called into Mantle because of reports of a stolen Atlesian airship entering its airspace and because of the unauthorized use of weapons by civilians. The culprits were Team RWBY, Team JNPR, Qrow Branwen and Oscar Pine, who defended the city from a pack of Sabyrs. Harriet and her team caught them by surprise and seized their weapons before leaving them in the custody of the authorities.

Following their release of their quarries, Harriet and the rest of Ace-Ops apologize for the miscommunication, before the students are introduced to Atlas Academy by Penny Polendina.

Episodes Covering These Events

Geist Hunt

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In the mission to the Schnee Dust Company Mine #2, Elm joins Vine Zeki and Team JNPR into the caves. She later defeats the Geist in the caves along with the rest of Ace-Ops.

After the mission, Elm is seeing lifting Ruby Rose on her shoulders in celebration. Team RWBY, Jaune Arc, and Nora Valkyrie later discussed Huntsmen work with Elm and Harriet Bree, where the two Ace-Ops Huntresses relented that the Ace-Ops team weren't friends, to the students' shock.

After the mission, Elm joins Vine and Marrow Amin in congratulating Ruby's Group for their promotion into being fully-fledged Huntsmen. She later helps them train and to prepare for the Amity project.

Episodes Covering These Events

A Banquet at Schnee Manor

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Harriet later attended the dinner at the Schnee Manor in "Cordially Invited", as one of Ironwood's guests. Harriet, along with Elm and Vine, attended the main party on standby in case Ironwood needed further evidence in defending his seat in the council.

Episodes Covering These Events

Battle of Mantle

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Elm, along with the rest of the Ace Ops and Ruby's Group (bar Oscar) deploy to Mantle in an airship. The flight is interrupted by a pair of Teryxes, who destroy their Manta and forces the group to eject into the city below. In Mantle, Elm teams up with Blake and Yang, where the two of them defend citizens from the Creatures of Grimm. The group faces a stampede of Megoliaths, in which the citizens cheer for Elm, causing her to smile at the group.

The group is slowly overwhelmed and tired by the hoardes of enemies, causing the people of Mantle to demand to be evacuated to the city of Atlas. broadcast is sent out to all of Mantle and Atlas by Ironwood and Robyn which Ironwood reveals the existence of Salem and links the recent murders in Mantle to her minions Tyrian Callows and Arthur, while Robyn uses her Semblance on him to prove it to all be true. The two encourage everyone to stand together due to Salem's goal being to divide them. Ironwood reveals his plans involving the Amity Communications Tower, claiming it is ready for launch and tells the civilians they will be evacuated to Atlas.

Episodes Covering These Events

Martial Law

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Elm continues to help until they are suddenly called back to Atlas Academy under direct orders from Ironwood, where she assures RWBY that they shouldn't question Ironwood's orders. Team RWBY and the Ace Ops go to Ironwood's office, where he reveals that one of Salem's subordinates left a black queen chess piece on his desk. He begins panicking, questioning if everything that he and the others did was part of Salem's plan. Ironwood questions whether or not Team RWBY really is on his side and asks them how Robyn knew about the Amity Tower project. Yang confesses that she and Blake told her, leading to an argument. The argument becomes more and more heated, and suddenly, a Seer bursts out of Watts' bag, dies, and breaks open to release a smokey apparition of Salem.

Salem proclaims that Watts and Tyrian's mission was not to secure victory, but rather to set the stage for Salem herself. She then attempts to convince Ironwood to surrender but is soon distracted by Ruby delivering a speech about how they learned the truth about her from the Relic of Knowledge and will still stop her even without killing her. Salem tells Ruby that Summer Rose once said those same words but was proven wrong, causing Ruby to break down crying with her silver eyes flickering and flaring.

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The Salem apparition disappears, and Elm begins to panic, especially upon realizing that the proximity alarms along the coast near Atlas are inactive. Blake asks about the readiness to launch the Amity Tower, but Yang realizes that Ironwood just said that to lure out Watts. Ironwood then explains that he intends to raise the City of Atlas into the atmosphere instead of Amity Tower. There, the city, the two Relics and the Winter Maiden will be safe from Salem. Team RWBY protests that this plan would mean leaving people in Mantle to die due to the evacuation not being complete, but Ironwood refuses to reconsider.

Suddenly, Jaune opens a group call with Ruby, Qrow and Winter. Taking the opportunity, Ruby uses her Semblance to get past Ironwood and warn the others about his plan. Ironwood locks communications, declares that Team RWBY are under arrest, and leaves while the Ace-Ops get ready to detain them.


As RWBY and the Ace Ops prepare to fight, Marrow hesistantly asks Harriet if their plan really is to fight. Harriet insists they'll let RWBY decide, and the Ruby initiates a battle. Ruby bursts out of the room, causing Harriet to chase her in anger. Elm teams up with Vine to battle Blake and Yang, where the former eventually traps Blake. Vine tries to talk Yang into surrender, promising nobody will be hurt, causing Elm to snap at him to speak for himself, personally feeling betrayed by RWBY. Yang snidest that Elm shouldn't care because of her orders, enraging her into dropping Blake and exasperating Vine. Elm tosses Blake aside and forces Vine to re-strategize.

Elm tries to psyche herself (and Vine) into letting go of their restraint and bonds to RWBY, but fails to do so. She and Vine's lack of communication and support leads to their defeat. After being rendered unconscious, Team RWBY then ties Elm and the Ace Ops to their Gravity Bolas, and leave them in Ironwood's office.

After Clover's fight with Tyrian Callows, Elm and the remaining Ace Ops grieve over their former friend with Ironwood and Winter. When Sleet and Camilla arrive in a rage at Ironwood's decision, the Ace Ops are shocked to see their leader kill the councilman.

Ace Ops vs Penny

When Ruby, Weiss, Lie Ren, Nora Valkyrie, and Penny arrive breach the Atlesian Command Center, the Ace Ops confront the group under orders to capture Penny. The five of them confront the group in a large room, where Vine and Marrow attempt to talk Penny into coming with them and surrendering the Relic of Creation to Ironwood for safekeeping. Harriet and Elm accuse Penny of stealing the Winter Maiden powers from Winter Schnee, depriving her of her destiny, and goad Penny into fighting alone. Penny is eventually subdued, but when the heroes attack the Ace Ops, they lose control of her. Ironwood starts to order reinforcements, but Watts stops him, ordering the Ace Ops to swipe one sword loose from Floating Array. Completing this goal, the Ace Ops retreat with the weapon, and reunite in Ironwood's office.

As Ruby begins to send out a broadcast to the world about Salem, the Relics, the Maidens, and the ongoing situation in Atlas, Harriet angrily switches off the screen that which the rest of the Ace Ops and Ironwood were watching it. During the speech, Watts switches out a chip in Penny's sword, hacking her and causing her signal to disappear. After being told Penny was likely rebooting, Ironwood angrily throws his Scroll at Watts, leading to the Scroll becoming broken. He then orders Winter Schnee to take the Ace Ops and search for Penny. As he leaves the room, he tells Harriet and Marrow to take Watts back to his cell, and the two fail to notice Watts picking up Ironwood's broken Scroll after casually turning off the computers.

Episodes Covering These Events

Battle of Atlas

Elm is later present with the other Ace Ops when they picked up a transmission from Jaune about the Grimm River heading towards Mantle. After picking them up and arresting them, Elm is seen restraining Yang with Vine. Whilst on route back to Atlas Academy, Elm sees Monstra beached on Atlas and unleashing waves of Grimm towards the Atlas defenses. Winter receives new orders for her team, that a bomb will be delivered to them and that they will tasked with getting the bomb inside Monstra destroying it from the inside. Elm is present during YAL's debate and voices her opinion of not letting feelings get in the way and as the debate gets heated, Ren sees orange and red petals forming around Elm as she rages at him pulling her fist back to strike him. She remains silent as Jaune explains his plan to go in as a scout party whilst also looking for Oscar. Once the heroes were released Elm waits with her team for the payloads arrival.

Elm is later present as part of the front line defenses holding Grimm back alongside the other Ace Ops and Team FNKI awaiting the arrivial of the payload. Whilst in the trenches she admonishes Marrow for his comment about "They just kids" before jumping into battle with the others.

Whilst delivering the payload towards Monstra a kinetic strike unleashed from Long Memory strikes the Grimm Whale knocking Elm and the others away from the creature. In the dust of the dying Grimm, Elm is shown to have trouble hearing for a short period of time and is ordered back to Atlas academy alongside the others by General Ironwood.

After being recalled back to Atlas Academy, Elm is present when the others learn of Cinder's attack on the prison cell alongside Watt's Qrow's escape from said cell. She remains silent as Harriet reveals to Ironwood that they no longer have Yang, Jaune or Ren in custody as Winter had previous let them go on their own mission into Monstra.

Episodes Covering These Events

Treason in the Ranks

After Ironwood's ultimatum Elm is seen with her teammates saying that Ironwood would never blow up Mantle. She also tells Marrow that she doesn't agree with it but the top priority is before getting cut off as Marrow begins to speak out about the ultimatum which nearly gets him killed by Ironwood only for him to be arrested by Winter. Elm falls back into line as Ironwood passes them following Marrow being carted off by Winter.

The Ace-Ops are stopped in place by Marrow

She is later present outside the academy with Ironwood, Harriet and Vine awaiting Penny's arrival when Ironwood receives an alert to Qrow and Robyn's location. When Harriet orders for Elm and Vine to go with her, Elm points out someone needs to stay with the General to which Winter arrives to take that position. When they arrive in the hangar the group prepare for the attack when they are suddenly frozen by Marrow's Semblance. Elm is later being restrained by Qrow and Robyn when an AK-200 under the control of Watts charges and self destructs on the group allowing Harriet to escape with the bomb.

Elm is later seen using her Semblance to hold herself and Vine onto the top of Robyn's ship as she pleads with Harriet to not go through with the plan to drop the bomb on Mantle. After Watts activates the bomb Elm grabs Harriet after Vine lowers Hare into her arms. Elm has to drag Harriet away as Vine chooses to sacrifice himself to save his friends. She is later on present with the others watching on in dismay as Atlas falls into Mantle with both cities becoming flooded.

Episodes Covering These Events

RWBY/Justice League
Minor Characters