Increase Debuff Duration Champion List | Raid Shadow Legends

Raid Shadow Legends Increase Debuff Duration Skill allows a Champion to increase 1 or more debuffs duration on their enemy Champions. This allows the debuff to provide their disadvantages to the enemy Champion longer to decrease their survivability and efficiency in battle. Stun, Sleep, Freeze, Provoke are not affected by Increase Debuff Duration effects.

Increase Debuff Duration Champions (20)

Increase Debuff Duration (AoE)

Mythical

  1. Aphidus the Hivelord (DE-MAM)
  2. Lady Mikage (SK-MSF)

Legendary

  1. Corvis the Corruptor (SO-LDM)
  2. Supreme Kael (DE-LAV)

Epic

  1. Aeshma (KR-EAM)
  2. Chani (SK-EAM)

Rare

Uncommon

Common

Increase Debuff Duration (Random)

Mythical

Legendary

Epic

  1. Enda Moonbeam (SY-EAS)

Rare

Uncommon

  1. Tunnel Steward (DW-UAS)

Common

Increase Debuff Duration (Target)

Mythical

  1. Night Queen Krixia (KR-MSS)
  2. Siegfrund the Nephilim (SO-MAM)

Legendary

  1. Alsgor Crimsonhorn (BA-LHF)
  2. Crohnam (BA-LAM)
  3. Gwyndolin The Silent (SW-LAF)
  4. Jingwon (SK-LHV)
  5. Shemnath (KR-LAM)
  6. Valkanen (UH-LAV)

Epic

  1. Theresc (DE-EAF)

Rare

  1. Assassin (SK-RAM)
  2. Bulwark (DW-RDV)
  3. Stout Axeman (DW-RHM)

Uncommon

Common

All Increase Debuff Duration Champions (16)

All Increase Debuff Duration (AoE)

Mythical

Legendary

  1. Soulless (KR-LDV)

Epic

  1. Chani (SK-EAM)
  2. Dark Kael (DE-EAM)
  3. Erinyes (DS-EAF)
  4. Flesh-Tearer (SW-ESM)
  5. Haarken Greatblade (BA-EAV)
  6. Thylessia (KR-EAF)
  7. Vildrax (DS-ESM)

Rare

Uncommon

Common

All Increase Debuff Duration (Target)

Mythical

Legendary

  1. Narma the Returned (KR-LSM)
  2. Septimus (BL-LAS)
  3. Vizier Ovelis (DE-LAF)
  4. Warlord (OR-LSV)

Epic

  1. Aox the Rememberer (LZ-ESF)
  2. Vogoth (UH-EHS)

Rare

  1. Bombardier (BL-RAF)
  2. Stout Axeman (DW-RHM)

Uncommon

Common

HpBurn Increase Debuff Duration Champions (2)

HpBurn Increase Debuff Duration (AoE)

Mythical

Legendary

Epic

Rare

  1. Selinia Nightcloak (HE-RAV)

Uncommon

Common

HpBurn Increase Debuff Duration (Target)

Mythical

Legendary

  1. Crohnam (BA-LAM)

Epic

Rare

Uncommon

Common

Passive Increase Debuff Duration Champions (1)

Passive Increase Debuff Duration (Target)

Mythical

Legendary

Epic

  1. Liburga (OR-ESV)

Rare

Uncommon

Common

Special Increase Debuff Duration Champions (2)

Special Increase Debuff Duration (Passive)

Mythical

Legendary

  1. Septimus (BL-LAS)

Epic

Rare

  1. Stout Axeman (DW-RHM)

Uncommon

Common

Specific Increase Debuff Duration Champions (9)

Specific Increase Debuff Duration (AoE)

Mythical

Legendary

  1. Crypt-King Graal (UH-LSM)
  2. Teela Goremane (OR-LSM)

Epic

  1. Akemtum (SW-EAV)

Rare

Uncommon

Common

Specific Increase Debuff Duration (Target)

Mythical

Legendary

  1. Kalvalax (KR-LAS)
  2. Lydia the Deathsiren (DE-LSV)
  3. Searsha the Charred (SY-LSF)
  4. Sicia Flametongue (DS-LAF)
  5. Supreme Galek (OR-LAV)

Epic

Rare

  1. Lumberer (OT-RAF)

Uncommon

Common

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32 thoughts on “Increase Debuff Duration Champion List | Raid Shadow Legends

  1. Flow

    Aeshma is an epic Knight R. that can also increase debuff EOE.

  2. LadyIsarma

    Why isn’t Corvis on the list? His A2 is an AOE 2-hit where the first hit increases the duration of enemy debuffs and the second increases the duration of ally buffs, 1 turn each.

  3. Peter H

    Missing Jingwon (https://ayumilove.net/raid-shadow-legends-jingwon-skill-mastery-equip-guide/) and PS your skill description on his page is also out of date.

    Should be:

    Attacks 1 enemy. Has a 75% chance of increasing the duration of all debuffs on the target by 1 turn. Also places a [Block Active Skills] debuff for 3 turns if the target is under a [Decrease ACC] debuff or [Decrease C. DMG] debuff.
    Level 2: Buff/Debuff Chance +10%
    Level 3: Buff/Debuff Chance +15%
    Level 4: Cooldown -1
    Level 5: Cooldown -1

  4. Shaun

    Magnarr A3 Increases HP burns

  5. Ayumilove Post author

    @Robert Sparrock: I have included Dark Kael into the AoE Increase Debuff Duration. Thanks!

  6. Robert Sparrock

    Dark Kael, A2 also has AOE increase Debuff Duration

  7. Ayumilove Post author

    @Dylan Wightman: Assassin is added to the Increase Debuff Duration skill list!

  8. Dylan Wightman

    Assassin, the new shadow kin rare. Seems like a budget Erinyes

  9. Ayumilove Post author

    @Drauku: Narma the Returned has been added to the Increase Debuff Duration champion list!

  10. Ayumilove Post author

    @Cecil: Lydia the Deathsiren increases the Poison Sensitivity debuff duration on her A1 skill.

  11. Cecil

    Lydia being on this list doesn’t make sense. She doesn’t have a increase debuff skill.

  12. Drauku

    ‘Narma the Returned’ should be added to this list.

    A1: Hell Crescent [ATK]
    Attacks 1 enemy. Has a 40% chance of increasing the duration of 3 random debuffs on the target by 1 turn.

  13. Mark

    You can tell if a skill requires accuracy to land if you occasionally see “resisted” when attempting to land it. Also in this case where where the debuff does not land and there is no “resisted” text means the skill percentage check was not successful. Thus in the case of this Warlord skill he does indeed need accuracy to get it to work.

  14. David

    Do debuff extenders need accuracy or is it based on the listed percentage only?

  15. Ayumilove Post author

    @Paul: I have updated the title. Thanks for highlighting it!

  16. Paul

    FYI – the title on the page says “RESET SKILL COOLDOWN CHAMPIONS” but it champions with the increase debuff skill

  17. Testwill

    I have used Septimus and/ Bulwark in the Clan Boss with Zavia and have seen the Poison debuff increase every time when his skill lands. I have also used it with HP Burn, Weaken, Decrease Attack, and Decrease Defense. All of these debuffs had their count increase. I have done this many times in CB for the past month.

  18. Smartboz

    I took Aothar for poison and Flesh-Tearer for increasing debuff. And he ist on ascend level 3, so his A3 is in superior level.

  19. Ayumilove Post author

    @Smartboz: What are the champions did you use to test this out?

  20. Smartboz

    I tested it myself right now: Poison is not affected as well by increase debuff duration. Tested it multiple times, and there was no notice, that the opponent resisted.

  21. Ayumilove Post author

    @Blue Overnight: Based from what I heard from the moderator on the RAID Shadow Legends Official Discord, they mentioned that Sniper does not affect Debuff Extender. Some players who have Septimus (Legendary Champion) tested that he does not extend the debuff with Sniper but through Warmaster (additional attack) from Offense Tier 6 Mastery.

  22. Blue Overnight

    Can you confirm if the sniper masterie works on Debuff extentenders?

  23. Ayumilove Post author

    @NotProtagonist: Sandlashed Survivor Increase Buff Duration of all allies and Decreases Buff Duration of all enemies. She does not Increase Debuff duration of all enemies.

  24. NotProtagonist

    Need to add sandlashed survivor

  25. Ayumilove Post author

    @yivgeni: Yes, Increase Debuff Duration works on all debuffs except for Crowd Control types such as Stun, Provoke, Sleep and Freeze.

  26. yivgeni

    does this work on poison?

  27. Eriadör

    I can confirm that Master Hexer works on Septimus, increasing debuffs for 2 turn. However, he has a passive to grant this effect, while Warlord and Vizier have such effect built in their skills.

  28. Ebiz

    Does anyone know if sniper or master hexer affect this ability?

  29. Ayumilove Post author

    @Mick: It can be resisted if your champion’s accuracy is lower than the enemy champion’s resist.

  30. Mick

    As it is not applying debuff, is it countered by resist? Thanks

  31. Ayumilove Post author

    @lotusmonk: Thanks for your input! I have added Septimus and Bulwark into the Increase Debuff Duration list.

  32. lotusmonk

    Missing Bulwark and septimus