Osgrun the Defiler | Raid Shadow Legends

Raid Shadow Legends Osgrun the Defiler Skill Mastery Equip Guide

Overview

NAME: Osgrun the Defiler
FACTION: Dwarves
RARITY: Legendary
ROLE: Support
AFFINITY: Magic
RANK: A
USABILITY: Arena Specialist
TOMES: 9 (A2 A3)

Abilities

RSL_All_AllyJoinAttack
RSL_Aoe_DecreaseTurnMeter
RSL_Aoe_IncreaseAttack_50%
RSL_Aoe_IncreaseTurnMeter
RSL_Aoe_Passive_Ally
RSL_Aoe_RemoveBuffs
RSL_Aoe_Shatter_7.5%
RSL_Aoe_Stun
RSL_Arena_SpeedAura
RSL_Target_IncreaseSkillCooldown

Obtain from

Ancient Shard
Sacred Shard
Primal Shard

Blessings Recommendation

Brimstone (1-6★ Awakened)
Intimidating Presence (1-6★ Awakened)

Grinding

★★★★✰ Campaign
★★★★★ Arena Defense
★★★★★ Arena Offense
★★★✰✰ Demon Lord
★★★✰✰ Hydra
★★★★✰ Chimera
★★★★★ Faction Wars

Dungeons

★★★★✰ Minotaur
★★★★✰ Spider
★★★★✰ Fire Knight
★★★★✰ Dragon
★★★★✰ Ice Golem
★★✰✰✰ Iron Twins
★★✰✰✰ Sand Devil
★★★✰✰ Phantom Shogun
★★★✰✰ Spider Hard
★★★★★ Fire Knight Hard
★★★★✰ Dragon Hard
★★★✰✰ Ice Golem Hard

Potion

★★★★✰ Arcane Keep
★★★★✰ Void Keep
★★★★✰ Force Keep
★★★★✰ Spirit Keep
★★★★✰ Magic Keep

Doom Tower

★★★★★ Floors
★★★★✰ Magma Dragon
★★★★✰ Nether Spider
★★★✰✰ Frost Spider
★★✰✰✰ Scarab King
★★★★✰ Celestial Griffin
★★★★✰ Eternal Dragon
★★★✰✰ Dreadhorn
★★★✰✰ Dark Fae

Osgrun the Defiler Skills

Obsidian Blade
Attacks 1 enemy. Has a 50% chance of increasing the cooldown of a random active skill on the target by 2 turns. Also fills the Turn Meters of all allies by 10%.
Level 2: Damage +10%
Level 3: Buff/Debuff Chance +10%
Level 4: Buff/Debuff Chance +15%
Damage Multiplier: 4.5 ATK

Magicks of Ireth (Cooldown: 5 turns)
Has a 75% chance of removing all buffs from all enemies. Decreases the Turn Meters of all enemies whose Turn Meter is equal to or lower than 50% by 20%. If an enemy’s Turn Meter is more than 50% full, decreases it to 50% instead. Has a 75% chance of placing a [Stun] debuff for 1 turn on enemies whose Turn Meter was reduced to 50%.
Level 2: Buff/Debuff Chance +10%
Level 3: Buff/Debuff Chance +15%
Level 4: Cooldown -1
Level 5: Cooldown -1

To Death, Unsurrendered (Cooldown: 6 turns)
Teams up with all allies to attack a single enemy. The allies joining the attack will use their default skills. Before attacking, places a 50% [Increase ATK] buff and a 7.5% [Shatter] buff on all allies for 2 turns. Decreases the cooldowns of all allies’ active skills, except this Champion’s, by 1 turn if the target is killed.
Level 2: Cooldown -1
Level 3: Cooldown -1

Dark Whisperings (Passive, Cooldown: 4 turns)
[Passive Effect] Allies inflict 20% more damage against enemies under [Stun] debuffs. [Active Effect] Whenever an ally is killed, instantly activates the Magicks of Ireth skill. Will not put the skill on cooldown. If there are multiple Champions on the team with this skill, only one will activate.

Aura
Increases Ally SPD in Arena by 28%

Osgrun the Defiler Build Guide

Champion Build Guide

Recommended Artifacts

PvE: Impulse, Reflex, Relentless
PvP: Immunity, Protection, Stoneskin, Untouchable
PvE & PvP: Accuracy, Chronophage, Divine Speed, Feral, Fortitude, Immortal, Mercurial, Perception, Pinpoint, Regeneration, Resistance, Righteous, Speed, Supersonic

Stats Allocation

Weapon (ATK)
Helmet (HP)
Shield (DEF)
Gauntlets (HP% / DEF%)
Chestplate (ACC / HP% / DEF% / RES)
Boots (SPD / HP% / DEF%)
Ring (HP / DEF)
Amulet (HP / DEF)
Banner (ACC / HP / DEF / RES)

Stats Priority

Debuffer: ACC, SPD, HP%, DEF%
Buffer & Debuffer: ACC, RES, SPD, HP%, DEF%

Recommended Relics

PvE: Temporal Stagnator, Hand of Uncreation, Harp of Kasbiel, Infernal Polytope, Infernosphere, Royal Digit, The Deathdealer
PvP: Wand of Submission, Aspect of Siroth, Chronocube, Orb of Transfixion
PvE & PvP: Gilded Dragonstone, Golden Elixir, Volcardiac Heart

Osgrun the Defiler Masteries Guide

Arena, Faction Wars, Doom Tower

Raid Shadow Legends Osgrun the Defiler PvP Masteries Guide

Defense

  1. Defiant
  2. Rejuvenation
  3. Improved Parry
  4. Resurgent
  5. Harvest Despair
  6. Retribution

Support

  1. Pinpoint Accuracy
  2. Charged Focus
  3. Swarm Smiter
  4. Rapid Response
  5. Lore of Steel
  6. Cycle of Magic
  7. Lasting Gifts
  8. Master Hexer
  9. Eagle-Eye

Campaign, Clan Boss, Dungeons

Raid Shadow Legends Osgrun the Defiler PvE Masteries Guide

Offense

  1. Deadly Precision
  2. Keen Strike
  3. Heart of Glory
  4. Single Out
  5. Bring it Down
  6. Methodical
  7. Kill Streak
  8. Warmaster

Support

  1. Pinpoint Accuracy
  2. Charged Focus
  3. Swarm Smiter
  4. Rapid Response
  5. Lore of Steel
  6. Cycle of Magic
  7. Lasting Gifts

Osgrun the Defiler Champion Lore Synopsis

The story begins with a Dwarf grieving the loss of loved ones taken too soon, deaths that he refuses to accept as final. He resents his people for surrendering to fate, believing that true warriors should never yield. His anger grows into a conviction that death itself can be defeated, and he becomes determined to find a way to restore those who were lost. Unlike his kin, who accept mortality without resistance, he believes that through knowledge and persistence he can reclaim what has been stolen from him.

His quest leads him down a forbidden path. He experiments with runes, rituals, and dangerous magic, borrowing from tombs and secret places, determined to perfect a method of resurrection. The other Dwarves see his work as blasphemy and cast him out of Gloomdeep Hold. Yet banishment gives him a strange sense of freedom, allowing him to pursue his studies without restraint. Though branded a heretic, he sees himself as a saviour, striving to replace sorrow with joy by returning the dead in their true forms rather than as twisted corpses.

As he advances in his craft, he learns to harness life-force itself, using it to heal wounds, strengthen his body, and bend the will of the weak-minded. He creates enchanted jetstones to store and release this power, proof of his growing mastery. Along the way he realises that his ancestors were mistaken to reject the gods entirely. In secret he listens to the dark whispers of Siroth, who offers guidance through fragments of truth, never revealing everything at once but always nudging him toward greater discoveries.

One such revelation is a name: Gronjarr. The Dwarf embarks on an exhaustive search through the cursed libraries of Ireth, enduring torment from forbidden texts, hostile spirits, and other guardians of knowledge. His sacrifices are great, yet his perseverance yields the story of Gronjarr, a figure present at the Fall of the Dwarves who vanished while storming the runescript archives of Gloomdeep Hold. These archives, sealed and forgotten for centuries, may contain the very secrets needed to fulfil his ambition.

The outcast resolves to return home and uncover what lies within the archives. With the knowledge hidden there, he believes he will not only surpass his current power but also come closer than ever to restoring the ones he loved. His journey is no longer just about revenge against his people’s blindness but about seizing the chance to triumph over death itself. What began as grief has become an unrelenting pursuit of forbidden truth, one that promises both salvation and ruin.

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One thought on “Osgrun the Defiler | Raid Shadow Legends

  1. Fine’N’Dandy

    This guy is a walking hate crime in arena. I have him paired with Padraig who is three star awakened intimidating presence with 200 speed and this moved me from silver to gold 3. He great in any area of the game where turn meters can be decreased. He’s a monster when he comes to eternal dragon as his a1 permanently locks her abilities. Good for fire knight. Great for potion keeps. Plus when paired with another ally attacker, like padraig, he doesn’t need to be the fastest as his a1 makes up for any difference. Run with high accuracy and speed for best results.