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Monster Hunter Wilds

Burn in Blackest Hell - AT Nu Udra Free Challenge Quest Release Date

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The Burn in Blackest Hell Free Challenge Quest is currently available and features Arch-Tempered Nu Udra in Monster Hunter Wilds. Read on to see how to unlock the Free Challenge Quest, how to get A Rank, the best build for this quest, rewards, and information on this quest.

How to Unlock Burn in Blackest Hell Free Challenge Quest

Limited Free Challenge Quest

Burn in Blackest Hell

Quest Availability
Event ended

he Arch-Tempered Nu Udra Free Challenge Quest is no longer available. It ran from October 28 to November 11, 2025 (ET). This quest required hunting Arch-Tempered Nu Udra within a time limit in order to win exclusive pendants.

Only Playable from HR 100 or Higher

The Burn in Blackest Hell Free Challenge Quest requires players to have reached HR 100 or higher.

Hunter Rank Farm Guide and Unlocks

How to Get A Rank on Burn in Blackest Hell Free Challenge Quest

Tips to Get A Rank





Use Water Weapons

Nu Udra is primarily weak to Water. Recommended Water weapons are Water Artian Weapons, Mizutsune Weapons, and Uth Duna Weapons weapons.

Equip Adaptability Level 2

Arch-Tempered Nu Udra has a new flame aura that drains the health of hunters nearby, as if standing on lava, even with Cool Drinks. To counter this, make sure to include Adaptability 2 in your build to negate the additional damage.

Adaptability Skill Effects

Increase Fire Resistance

Like its regular form, Nu Udra mostly uses fire attacks, including a powerful Flamethrower that can quickly cart unprepared hunters. It's highly recommended to aim for 20 Fire Resistance to negate Fireblight. You can increase Fire Resistance by equipping the right armor, slotting in the Fire Resistance skill, or eating meals in the Grand Hub.

Start in Area 15 Camp

AT Nu Udra Start in Area 15 Camp

Arch-Tempered Nu Udra will always start in Area 17 of the Oilwell Basin. Try to set up camp in the nearby Area 15: Lower Strata North to save travel time.

How to Set Up Pop-up Camps

Use Terrain for Damage

Use the terrain to your advantage to deal extra damage to Arch-Tempered Nu Udra. One good place is Area 14, where you can drop 3 Falling Stalactites. Area 14 also has 2 Sleeptoads that can help weapons with strong waking moves like the Great Sword.

Disable Support Hunters

It’s recommended to disable Support Hunters for this quest, as it increases AT Nu Udra’s health and makes the quest take longer to complete.

Best Build for Burn in Blackest Hell Free Challenge Quest

Water Artian Dual Blades

Best Weapon

Weapon Rarity ATK DEF
Monster Hunter Wilds - TiltkreiseTiltkreise
Monster Hunter Wilds - Tiltkreise Sharpness
8 315
(225)
0
Slots Element Affinity
③③③
Any Element 270
5%
Weapon Decorations
Production Bonus Artian Reinforcements
• Elemental Attack + 30
• Attack +5
• Attack +5
• Attack +5
Element Type:
Water Water
• Attack +5
• Attack +5
• Attack +5
• Attack +5
• Sharpness +30

Water Artian Dual Blades Armor Loadout

Armor Slots Skills
Udra Mirehelm γ Udra Mirehelm γ
Physique Jewel【1】 Icon Physique Jewel【1】 Icon Physique Jewel【1】 Icon
Burst Lv. 3
Udra Miremail γ Udra Miremail γ
Challenger Jewel【3】 Icon Challenger Jewel【3】 Icon
Regios Vambraces β Regios Vambraces β
Challenger Jewel【3】 Icon Physique Jewel【1】 Icon
Regios Coil β Regios Coil β
Chain Jewel【3】 Icon Physique Jewel【1】 Icon Sprinter Jewel【1】 Icon
Evade Window Lv. 1
Agitator Lv. 1
Duna Wildgreaves γ Duna Wildgreaves γ
Chain Jewel【3】 Icon Adapt Jewel【1】 Icon Adapt Jewel【1】 Icon
Agitator Lv. 1
Charm
Armor Decorations
DEF and RES Totals
Defense: 333
Fire Fire Res: 17
Water Water Res: -4
Thunder Thunder Res: -9
Ice Ice Res: -2
Dragon Dragon Res: 0

Decorations are randomly obtained, so feel free to adjust with what is available.

Skill Summary

Weapon Skills
Water Attack 3 Focus 3
Power Prolonger 3 Razor Sharp 3
Armor Skills
Adrenaline Rush 5 Agitator 5
Burst 5 Constitution 5
Quick Sheathe 3 Adaptability 2
Counterstrike 2 Evade Window 1
Marathon Runner 1
Group / Set Skills
Razor's Edge I Guts (Tenacity)
Bad Blood I

The skill summary above uses the specified Artian weapon loadout.

This is an aggressive Guts (Tenacity) build for Dual Blades that can easily reach 20 Fire Resistance by eating a meal, without slotting in any Fire Res Jewels.

You can swap out the Challenger Jewels for evasion skills such as Evasion Jewels or Jumping Jewels if you prefer more survivability.

Burn in Blackest Hell Free Challenge Quest Overview

Basic Information

Monsters
Time 50 mins. Type Slaying
Client Ricardo Reward 34920
Difficulty H★9 Region Oilwell Basin
Objective Slay the Arch-Tempered Nu Udra
Conditions ・HR 100 or higher
Failure ・Time expires
・Faint 3 times

This challenge quest has you face an Arch-Tempered Nu Udra. You will be rewarded depending on how fast you slay it.

Cannot Be Captured

Unlike the Event Quest Be Cursed, Ye Shadowy Flame, Arch-Tempered Nu Udra cannot be captured in this Free Challenge Quest and needs to be slain for the quest to be completed.

Rank Clear Times

A Rank 14'00"00
B Rank 18'00"00
C Rank 50'00"00

Capturing vs Killing Monsters

Burn in Blackest Hell Free Challenge Quest Monsters

Nu Udra Details

Known Habitats

Region Starting Area Visited Areas Resting Area
Monster Hunter Wilds - Oilwell Basin Oilwell Basin
Oilwell Basin 3 Oilwell Basin 15 Oilwell Basin 17
Oilwell Basin 2 Oilwell Basin 3 Oilwell Basin 7 Oilwell Basin 8 Oilwell Basin 12 Oilwell Basin 14 Oilwell Basin 15 Oilwell Basin 16 Oilwell Basin 17
Oilwell Basin 17

Monster Weakness

Nu UdraNu Udra
Sever Icon Blunt Icon Shot Icon
Nu Udra Sever Weakness Nu Udra Blunt Weakness Nu Udra Shot Weakness
Fire Icon Water Icon Thunder Icon Ice Icon Dragon Icon
Nu Udra Fire Weakness Nu Udra Water Weakness Nu Udra Thunder Weakness Nu Udra Shot Weakness Nu Udra Shot Weakness

Arch-Tempered Nu Udra has the same weaknesses as a regular Nu Udra. It's weakest to the Water element and most susceptible to attacks to its Mouth.

Burn in Blackest Hell Quest Rewards

Exclusive Decorative Pendants


Nu Udra: Mark of Contest
(Participation)

Nu Udra: Mark of Bravery
(B Rank)

Nu Udra: Mark of Mastery
(A Rank)

Similar to Fleeting Bubbles, The Shining Storm Rages, and The Daunting Downpour completing this Free Challenge Quest will reward you with exclusive pendants depending on your performance. These Pendants will be released at a later date.

List of Pendants

Nu Udra Certificate γ

Hunters can also earn Nu Udra Certificate γ for completing the Free Challenge Quest.

This certificate is used to craft the new Nu Udra γ Armor Set and Felyne Udra γ Set. It's also used in crafting two new charms: Descent Charm III and Fury Charm III.

Nu Udra Certificate γ Uses

Quest Rewards

Rewards

Monster Hunter Wilds Related Guides

Monster Hunter Wilds - Quests

List of Quests

Quest Guides by Type

Monster Hunter Wilds - Assignment QuestsAssignment Quests Monster Hunter Wilds - Optional Quests Optional Quests
Monster Hunter Wilds - Event QuestsEvent Quests Monster Hunter Wilds - Field Survey QuestsField Survey History
Monster Hunter Wilds - InvestigationInvestigation Quests Monster Hunter Wilds - Arena QuestsArena Quests
Monster Hunter Wilds - Challenge Quests Challenge Quests Monster Hunter Wilds - Free Challenge Quests Free Challenge Quests

List of Free Challenge Quests

The Shining Storm Rages ImageThe Shining Storm Rages The Daunting Downpour ImageThe Daunting Downpour Burn in Blackest Hell ImageBurn in Blackest Hell

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