The battle this time once again features Violet Inboots, a well-known debugger. She's using her Ghost Reanimation deck and is up against rogue NPC Sam the Clown's Black Emperor Dragon deck.

Violet Inboots (or Vi, as some like to call her) uses mostly purple cards, as shown. Her deck's playstyle is just what you'd expect from the color.
With Necromon (a Digimon newly discovered in Liberator), as the linchpin, the deck utilizes [On Deletion] effects as a trigger to repeatedly play cards from the trash and remove the opponent's cards.
The way the Digimon return from the trash over and over again is like spirits of the dead constantly rising from the underworld.
If your deck relies on deletion to remove Digimon, you'd likely be in for a tough fight.

Shown below are the main cards used by Sam the Clown. Before going rogue, he was a chatty NPC, infamous among players for his cryptic, long-winded conversations.
Initially concealed within a horde of Imperialdramon, he eventually revealed himself alongside Wormmon during the battle against Violet.
Sam's deck is built around the Black Emperor Dragon, a Virus type Imperialdramon.
Consisting of red and purple cards, the deck successively plays cards and DNA digivolves through effects. It deals a major blow to the opponent's playing field and security by rapidly bringing forth Imperialdramon: Fighter Mode.
The deck therefore has a high ceiling, but it requires a large number of cards in your trash and hand to digivolve that many times. Also, it has few other ways to disrupt the opponent's playing field, so many players consider it a deck for experts.

As to be expected with all these purple cards, what follows is a clash heavily involving the trash, playing cards through effects, and deletion. Let's take a look back at how it went.

Below is the playing field for Violet and Sam the Clown when Arisa arrived at the battlefield.

What Arisa witnessed was from the start of Violet's turn, when her memory gauge was at 6.
Judging from Violet's memory and the Imperialdramon: Fighter Mode on Sam's field, it looks like he had just chained DNA digivolutions to reach Fighter Mode, and attacked.
Violet will want to somehow remove the Black Emperor Dragon this turn. However, Fighter Mode has an [On Deletion] effect that plays Veemon and Wormmon from the trash.
Being able to not only delete Fighter Mode but also the 2 level 3 Digimon would be the ultimate "super very good" scenario for Violet.

In her Breeding Phase, she moves Ghostmon from the breeding area to the battle area.
Then, the [Start of your Main Phase] effect of her Tamer card in the battle area increases her memory to 7.
She wastes no time in making use of it. Paying 5 memory, she digivolves Ghostmon into Soulmon and then into Phantomon in one go. To compete against a level 6, it's best to have one of your own. Without hesitation, she pays 4 memory and digivolves Phantomon.

From beneath the red cloak emerges a massive form of ethereal blue flames, adorned by a crown and wearing a golden skull-like mask. With four grotesque arms, this necro-king wields the soul-absorbing GreyBlade, a spirit-controlling lantern, and a blasphemous tome that calls forth the dead.
Necromon, the strongest ally the purple tomboy princess has, brings doom upon the cause of the strife, the Emperor Dragon.

First, Necromon's [When Digivolving] effect deletes Fighter Mode. In turn, its [On Deletion] effect plays Veemon and Wormmon from the trash, and both of their [On Play] effects resolve.
Then, at [End of Your Turn] timing, Violet loudly declares the activation of Necromon's <Execute>.

Like Arisa's Cendrillmon's <Overclock>, <Execute> allows for an attack at the end of your turn. However, what <Execute> deletes isn't a token, but the Digimon itself.

Checking 2 security cards, Necromon faces Wormmon and Shadramon.
Because the attack went through without a hitch, Necromon self-destructs due to <Execute>'s effect. This means we move on to Necromon's multiple [On Deletion] effects.
Things get quite intense here, so read closely and savor the spectacle of Violet Inboots handling this whirlwind of effects.

First, with Ghostmon's inherited effect, Violet gains 1 memory. Continuing with Soulmon's inherited effect, she deletes Sam's Veemon.
Next, she plays Soulmon from the trash using Phantomon's [On Deletion] inherited effect.
After that, Necromon's own [On Deletion] effect revives Phantomon from the trash.

Soulmon's [On Play] effect gives the revived Phantomon <Retaliation>. Lastly, DemiMeramon's inherited effect brings the deleted Necromon back from the trash into Violet's hand.
Then, since a Ghost Digimon was deleted, she gets to use her Tamer card's [Your Turn] effect to once again digivolve Phantomon into Necromon. Finally, Necromon's [When Digivolving] effect deletes Wormmon.
With this, the series of effects that began with Necromon's deletion concludes.

If DemiMeramon is in the wrong order as a digivolution card, you won't be able to activate its digivolution's [On Deletion] effect, as there won't be any cards in the trash. Players need to be cautious when using a deck with overlapping [On Deletion] effects.

When the deadly storm caused by <Execute> subsides, all Digimon on the playing field except for Violet's servants, Necromon and Soulmon, have been reduced to ashes.
The sheer scale of horror was like a nighttime parade of a hundred demons or a wild hunt. This is what Ghost's Reanimation, led by the soul-wielding necro-king, is capable of.
And in handling them so effectively, the charming (but sometimes difficult) Violet Inboots has proven her strength.

At this point, Sam has 3 security cards left. Considering Necromon has <Security Attack +1> and the possibility of digivolving a Tamer into a Hybrid, Sam the Clown must somehow remove Violet's Digimon from the playing field in this next turn, or he'll likely lose. At the end of Violet's turn, the balance of power on the playing field has completely shifted.

Now, Sam's turn begins with the memory gauge at 2. Thanks to his Tamer card's [Start of Your Turn] effect, he starts with 3 memory.
If this were a run-of-the-mill deck, it'd be extremely challenging to turn things around from here. However, this is a red/purple Imperialdramon deck. Similar to Ghost Reanimation, its specialty is reviving from the trash and continuously digivolving.
Luckily for Sam, his trash is full of useful cards following Violet's deletion spree.

At [Start of Your Main Phase] timing, Sam plays Wormmon from his Tamer card's digivolution cards. It emerges from its Tamer's husk and into the battle area.
Paying 2 memory, he digivolves Wormmon to Shadramon. With Shadramon's [When Digivolving] effect, he plays Veemon from the trash and pays 2 memory to digivolve it to Flamedramon. Then his Shadramon and Flamedramon undergo DNA digivolution via Flamedramon's [When Digivolving] effect.
The fusion of dinosaur and bug produces the ferocious mutant Dinobeemon, a core Digimon of the deck.

Dinobeemon's [When Digivolving] effect revives the Paildramon with the [Free] trait from the trash. And just like that, Paildramon gains <Rush> and attacks Violet's security.
A level 4 Bakemon jumps out from her security stack, and Paildramon is unharmed.
At the end of his turn, Sam could use an inherited effect to DNA digivolve Dinobeemon and Paildramon, allowing Dragon Mode to use <Blitz> to take on an additional security card... It would be the best move for this deck, but for some reason, Sam instead just ends his turn.

Thanks to her Tamer card's [Start of Your Turn] and [Start of Your Main Phase] effects, Violet's memory goes to 4.
In her hand is Apparition Legion, an Option card that can revive Ghost types and give them <Rush>.

After reducing her opponent's security stack to 0 with Necromon and Soulmon, she could use this card to revive Necromon from the trash and use its <Execute> effect to win the game.
Even if a Digimon were to be deleted by a security effect, <Execute> makes it possible to attack an unsuspended Digimon, bypassing Dinobeemon's <Partition> and reducing Sam's field to ashes yet again.
Presented with two viable choices, Violet opts to mobilize her necro-king and attack Sam the Clown's security.

What emerges from his security is Veemon and... Death Claw!
Death Claw's [Security] effect deletes Violet's Soulmon, making it impossible for her to win this turn. Even so, she can simply change her strategy to dominate the playing field. It's a certain road to victory.

She spends 8 memory and uses Apparition Legion.
By returning Imperialdramon: Fighter Mode and Wormmon from Sam the Clown's trash to the bottom of his deck, Violet revives Necromon and Candlemon from her trash with <Rush> and <Blocker>.
Then, Violet demonstrates each of Necromon's two [On Play] effects, deleting Paildramon and playing Phantomon from her trash.
Following that, she uses <Execute> as planned. As Necromon's soul-slicing blade swung down on Dinobeemon, her victory appeared all but certain.

However, this is where the inconceivable happened.

For the record, Violet is an extremely talented player who can adapt her play style to suit her opponent's deck and level.

In this battle, she concluded that the rogue NPC's deck was similar to the ones she'd just taken down repeatedly. She thus adopted a strategy that maximized her chances of victory.

It's not that she hadn't considered the possibility of a <Blast Digivolve>. She confidently made her move only after concluding that Sam's deck lacked an ACE powerful enough to turn the tables.
In fact, her prediction was spot-on. Up until Necromon's attack, Sam had no such card capable of thwarting Violet's plan.

However, at his counter timing, a phenomenon occurred that should be impossible in a card game—his cards underwent a "rewrite."

Imperialdramon: Dragon Mode turns into the previously unknown Imperialdramon: Dragon Mode ACE.

Imperialdramon: Fighter Mode also transforms into a never-before-seen form.

But for some reason, Liberator's system didn't detect this chain of actions as an abnormality and allowed the game to proceed. With Violet left flummoxed, Sam the Clown makes his move.
<Blast DNA Digivolve> Necromon is left with no Digimon left to target, so its attack slices through empty air.

Then, several effects resolve following the <Blast DNA Digivolve>. Imperialdramon's [When Digivolving] effect deletes the Candlemon with <Blocker>. Additionally, Sam digivolves it into the newly rewritten Imperialdramon: Fighter Mode.
At this timing, Violet uses her own Tamer card's effect and digivolves the Phantomon that was just played to the field into Reapermon.
But the Black Emperor Dragon has not yet unleashed its full wrath. Fighter Mode's [When Digivolving] effect, trashes one of Violet's security cards, and this also enables its [All Turns] effect to delete an opponent Digimon with less DP than itself, namely Violet's Reapermon.

Since the deleted Reapermon had Phantomon as a digivolution card, normally Violet would be able to use the [On Deletion] inherited effect to play a Digimon from the trash... However, this is thwarted, since Fighter Mode's [When Digivolving] effect states that "your opponent can't play Digimon or Tamers by effects."

Then, the Necromon whose attack failed is deleted due to <Execute>. And needless to say, its [On Deletion] effect of playing another Digimon is also blocked.

Violet looked set to win just one turn ago, but the Emperor Dragon's out-of-the-blue <Blast DNA Digivolve> decisively flipped the game on its head.
The only Digimon remaining on the field is Sam the Clown's Fighter Mode with <Raid>, <Piercing>, <Security Attack +1>, and <Partition (Purple Lv.4 & Red Lv.4)>.
Violet has 0 security cards left, and it's Sam's turn again. And so the battle ends.

Although defeated, credit should go to Violet for her sharp decision-making throughout the battle. Inferior card knowledge played no part. There was nothing anyone could have done about a "wildcard" like a new Fighter Mode out of nowhere.

With Shoto intervening using his Unique Emblem, the battle against the Black Emperor Dragon advances to another stage. The next clash is just around the corner, and it's bound to be worth the wait.