On January 22, DNF Mobile added the level 85 Elite Dungeon 소멸의 공동.

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I ran it on 26 characters on the first day of the update.

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You can go into your first attempts without too much pressure. It's more manageable than 대갚음의 초원.

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I've put together a guide covering the main attack patterns.

잿빛의 로젠버그

Blood Energy Is Rising

This message appears repeatedly during the fight with 잿빛의 로젠버그.

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When Blood Energy reaches stage 3, it triggers special patterns such as the strength contest and Blood Energy Sword.

There Is Nowhere to Run

The boss uses 5 ground AoE attacks, alternating between left and right.

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Dodge the marked areas as they appear. If your class has a long Awakening channel, this is also a good time to use it.

Can You Handle This Power? (Strength Contest)

Step into the red circle in front of 로젠버그 and rapidly tap basic attack (the X button).

Sword of Blood Energy, Vanish in Agony

Large ground AoEs appear one after another at randomly chosen locations among the 11, 1, 5, and 7 o'clock positions on the map.

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Jump or move far enough away to avoid them. Watch for a large ground AoE in the center at both the start and the end.

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Be especially careful with the final AoE: it has follow-up hits like Berserker's first Awakening, so wait before moving back in.

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There are several other patterns after this, but they mainly require straightforward dodging.

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Unless you're using something like a 해적왕 farming alt, you should be able to skip them.

만개의 라라아

만개의 라라아 continuously scatters seeds across the ground.

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These seeds create explosive AoEs when stepped on or after a set amount of time.

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They don't deal much damage, so dodge them as needed while fighting.

Shall We Play a Little?

5 versions of 라라아 appear. 4 are identical clones, while 1 looks different and is the real boss.

Here, the odd one out is black and white with a flower in bloom. The reverse is also possible.

Look for the only 1 with or without a flower, or the only 1 in color or black and white.

Attack the real boss with melee skills that keep you in place.

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You need to hit her at close range so the real 라라아 is visible. Skills that combine movement with an attack may not register.

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It takes more hits than you might expect, so keep a few powerful melee Cube skills available.

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If you can't deal enough damage in time, get outside the AoE to avoid the instant-kill attack.

If you keep attacking until the AoE shrinks completely, 라라아 will briefly enter a groggy state.

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Her defense drops during this window, making it a good time to use a saved Awakening.

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This pattern occurs early in the fight, though you may skip it depending on your damage output.

I'll Tear You to Shreds

AoEs appear that pull players in and deal damage. Place them far enough apart to keep the small circles at their centers separated.

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Baiting them into the far corners is a safe approach.

It's also best to bait them toward the bottom if possible.

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The fight is likely to enter the next phase around the time this pattern appears. The placement shown here leaves no room to deal damage.

Be Engulfed by the Waves

When an AoE targets you, bait it onto a purple rift. A white border will appear if you succeed.

Shortly afterward, cross that rift just as the wave attacks begin from the left and right to create a barrier.

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If you create the barrier too early, some of the later waves may hit you, so be ready to jump or use Emergency Evasion.

If you fail to create a barrier, use jumps and Emergency Evasion to avoid the waves.

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Jump first where possible, and use Emergency Evasion when you can see that a jump won't be enough.

Bloom in Abundance

Purple orbs spiral inward, leaving small gaps to dodge through.

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You can dodge in the center while fitting in some damage, but staying in the outer corners (11, 1, 5, and 7 o'clock) can make dodging easier.

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You may still get hit occasionally, but taking 1–2 hits won't kill you. Use whichever approach you prefer.

Devour Them All

The boss begins scattering large quantities of seeds.

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Keep moving while fitting in damage where you can.

Make sure to leave yourself some room to dodge at the end.

Reward Differences by Difficulty

Normal (126,500)	Expert (152,000)	Master (169,500)
1 Epic–Exceed equipment item	1 Epic–Exceed equipment item	Epic–Exceed equipment: 2 items
16 Formless Buds	16 Formless Buds Formless Buds (Adventure Team-bound): 2	16 Formless Buds Formless Buds (Adventure Team-bound): 4
200 Invitations	Invitations: 300	200 Invitations Invitations (Adventure Team-bound): 100
1 Enhanced Data Chip 6 Data Chips 50 Abyssal Embers 40 Polishing Stones 300–350 Ryan Cokes

The rewards for 소멸의 공동 differ in three ways across difficulties.

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Running Expert gives you 2 more Adventure Team-bound Formless Buds and 100 more Invitations than Normal.

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Running Master gives you 1 more equipment item and 2 more Adventure Team-bound Formless Buds than Expert, and 100 of the Invitations are Adventure Team-bound.

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That means running the highest difficulty you can is best if you want to funnel as many rewards as possible to your main.

Each run gives around 16–20 Formless Buds, so 4 weeks of runs will let you craft a Shining Epic Prefix Conversion Scroll or an Epic Weapon Effect Conversion Scroll.

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Thanks to all my alts, I already had more than enough to craft one in week 1.

Closing Thoughts

That wraps up this guide to 소멸의 공동, DNF Mobile's level 85 Elite Dungeon.

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The 4 available Revival Coins are a fairly generous allowance, but it's easy to die if you let your guard down, and I did have to retry some runs.

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For your first attempts, I recommend going solo rather than joining a party so you can learn the fight without pressure.