Monster Hunter World (MHW)

Effluvial Opera Quest and Rewards

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This is a guide for Effluvial Opera, a Quest appearing in Monster Hunter World (MHW). Learn about Effluvial Opera's availability, unlock conditions, target Monsters, and rewards for completing the Quest here.

Effluvial Opera Basic Information

How to Unlock Effluvial Opera

Available from the Event start time

Quest Basic Information

Lv ★7 Destination Rotten Vale
Type  Event Research Points  -
Time Limit  50 minutes Reward Money 28800z
Objective Hunt all target monsters:
Great Girros, Radobaan, Odogaron, Bazelgeuse
Other Conditions  HR13

All Low / High Rank Event Quests

Monsters Appearing in Effluvial Opera

Name Starting Area Visited Areas Rest Spot
OdogaronOdogaron 10 1 / 2 / 3 / 4 / 6 / 7 / 8 / 9 / 12 / 14 / 16 13
Great GirrosGreat Girros 7 6 / 7 / 8 7
RadobaanRadobaan 1 1 / 2 / 3 / 4 2
BazelgeuseBazelgeuse Coming soon! 1 / 2 / 3 / 6 / 7 / 8 / 9 / 10 / 12 / 13 / 14 / 16 4

Rotten Vale Maps and Materials

Monster Weaknesses

Monster Fire.png Water.png Thunder.png Ice.png Dragon.png
Odogaron ImageOdogaron ★★ ★★★
Great Girros ImageGreat Girros ★★ ★★★ ★★
Radobaan ImageRadobaan ★★ ★★★
Bazelgeuse ImageBazelgeuse ★★★ ★★ ★★

Effluvial Opera Rewards

Main Rewards

Item Appearance Rate
Coma Sac %
Advanced Armor Sphere %
Mysterious Feystone %

Monster Materials

Odogaron

Odogaron Plate Odogaron Tail
Odogaron Scale+ Odogaron Sinew+
Odogaron Claw+ Odogaron Fang+
Odogaron Gem

Great Girros

Great Girros Tail Great Girros Hide+
Great Girros Hood+ Great Girros Scale+
Great Girros Fang+

Radobaan

Wyvern Gem Radobaan Oilshell
Radobaan Carapace Radobaan Scale+
Radobaan Medulla

Bazelgeuse

Bazelgeuse Carapace Bazelgeuse Talon
Bazelgeuse Wing Bazelgeuse Gem
Bazelgeuse Scale+ Bazelgeuse Fuse
Bazelgeuse Tail

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