Guide to Osgrun the Corrupter artifact and mastery - Raid Shadow Legends

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Last name Osgrun the Corruptor in English = (Osgrun the Defiler)
Review  Read Alucare's review of : Osgrun the Corruptor
Masteries  Skills for: Osgrun the Corrupter
Blessing Graces for: Osgrun the Corrupter
 
Mastery, grace and artifact guide to Osgrun the Defiler on RSL
Champion image: Osgrun the Defiler on Raid Shadow Legends

Overview

NAME: Osgrun the Corrupter
FACTION: Dwarves
Rarity: Legendary
ROLE: Support
AFFINITY: Magic

Total Stats (6 Stars)

Health points (HP): 19815
Attack (ATK): 1156
Defense (DEF): 1101
Speed (SPD): 109
Critical Rate (C. Rate): 15%
Crit Damage (C. DMG): 50%
Resistance (RESIST): 30
Accuracy (ACC): 20

Battle of the

Campaign :?
Faction Crypt:?
Arena defense:?
Arena attack:?
Clan Boss:?
Hydra :?

Dungeons

Minotaur's Labyrinth :?
Spider's lair:?
Castle of the Fire Knight :?
The dragon's lair:?
Ice Golem Peak:?
Fort Jumeaux de Fer :?
Demon Necropolis:?
Shogun Wood:?

DoomTower

Wave:?
Magma Dragon:?
Frost Spider:?
Nether Spider (poison):?
Scarab :?

(Doom Tower)

Eternal Dragon:?
Griffon :?
Bommal:?
Dark Fairy :?
Secret room :?
Annotations :
"Mandatory - Strongly recommended = ✔️
Usable - recommended = 👍
Unusable - not recommended =
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The Skills of : Osgrun the Corrupter

A1 = Obsidian blade

Attack 1 enemy.

A 50% chance to increase the cooldown of a random active skill on the target by 2 turns.

Also fills the Turn Counter of all 10% allies.

  • Level 2: Damage +10 %
  • Level 3: Buff/Debuff chance +10 %
  • Level 4: Buff/Debuff chance +15 %

Damage based on : ATQ
Multiplier: 4.5*ATK

A2 = Magic of Ireth | CD = 5 rounds

Has 75% chance to remove all buffs on all enemies.

Reduces the Turn Counters of all enemies whose Turn Counter is less than or equal to 50% by 20%. If an enemy's Turn Counter is filled to more than 50%, reduces it to 50%.

A 75% chance of placing a debuff [Stun] 1 turn on enemies whose Turn Counter has been reduced to 50%.

  • Level 2: Buff/Debuff chance +10 %
  • Level 3: Buff/Debuff chance +15 %
  • Level 4: Cooldown -1
  • Level 5: Cooldown -1

A3 = À la mort, sans capituler | CD = 6 tours

Team up with all allies to attack a single enemy. Allies who join the attack will use their default skills. Before attacking, place a buff. [Increase ATQ] of 50% and a buff [Fracas] of 7.5% on all allies for 2 turns.

Reduces the cooldown of all active skills of allies, except this Champion, by 1 if the target is killed.

  • Level 2: Cooldown -1
  • Level 3: Cooldown -1

[P] Dark whispers

[Passive Effect]

Allies inflict 20% of additional damage on enemies under debuffs [Stun].

[Active Effect]

As soon as an ally is killed, instantly activates the skill Magics of Ireth. Will not place this ability on cooldown. If multiple Champions on the team have this ability, only one will be activated.

Aura of SPEED:


Increases SPEED in the arena by 28

Calculate the damage of your Osgrun the Corrupter (Osgrun the Defiler)

This form lets you calculate your damage. Fill in the fields to see if your champion will do more damage by adding attack or increasing critical damage.

Watch this video tutorial to optimize your damage by clicking here : Video tutorial alucare (Don't forget to subscribe, it's free!)











What to improve, PV or champion defense?

Remember to calculate the perfect optimization here:

Which artifacts / set for: Osgrun the Corrupter (Osgrun the Defiler)

Artifacts BEFORE sets! Always the most important thing to know! We explain it in real detail in the ebook available here:

Which set for: Osgrun the Corrupter

Set of equipment that I advise you on the champion: (Finishing a set is a bonus, not an obligation)
Read below what I advise on each artifact and listen to the video to understand.
  • Stun

Explanatory video in French by Alucare, ideal complement to the page. View video (you can use YouTube's automatic translation)

Which statistics should I look for first: Osgrun the Corrupter

Priority of stats and sub-stats of artifacts:
    • Weapon (Attack)
    • Helmet (HP)
    • Shield (Defense)
    • Gloves ()
    • Torso ()
    • Boots ()
    • Ring ()
    • Amulet ()
    • Banner()

Which masteries for Osgrun the Defiler?


Explanatory video in French by Alucare, ideal complement to the page. View video (you can use YouTube's automatic translation)

Mastery for : Arena

Mastery RSL Arena for Osgrun the Defiler

What you need to know about master's degrees.

We give you advice on mastery. These master's degrees will help you in 95 % of cases, but you have to try to understand why a particular choice was made. The best thing would be to understand why certain masteries have been recommended to you, so that you can modify 1 or 2 masteries in your choice according to your needs.

What grace for Osgrun the Defiler?


Explanatory video in French by Alucare, ideal complement to the page. View video (you can use YouTube's automatic translation)

Thanks not yet filled on the site, you can ask other players directly on the Discord by saying hello :

Alucare.fr on Discord


History of Osgrun the Corrupter

Release date :

July 2025

How to get Osgrun the Corrupter

We can have the champion:

  • Ancient Shard
  • Sacred Shard


List of buffs and debuffs of : Osgrun the Corruptor

Team buffs list:

The buffs the champion puts on the whole team:
  • Continuous care 7.5%, +50% attack

The champion's debuff list:

The debuffs the champion puts on opponents:
  • Stun



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RAID: Shadow Legends

Released on : February 28, 2019

Developed by : Plarium

Edited by : Plarium

Available on : PC, Android, iOS

Genres : RPG