Cleanse the Corruption

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Cleanse the Corruption
Cleanse the Corruption Icon.png
Quest Info
Given by: Mogdrogen
Location: Ugdenbog
Faction: n/a
Type: Side Quest
Prerequisites: n/a
Unlocks: n/a
Rewards: XP, Item

Cleanse the Corruption is an Act 5 side quest, available on encountering Mogdrogen outside the entrance to the Ancient Grove in Ugdenbog.

The Ancient Grove has become corrupted by the Aetherial and Chthonic forces, and the taint now threatens to spill forth into the surrounding environment and wreak unimaginable destruction. Mogdrogen asks you to enter the Heart of the Forest and destroy the Grove's corrupted guardian.

Objectives[edit | edit source]

  • Cleanse the Ancient Grove
  • Speak to Mogdrogen in Ugdenbog

Guide[edit | edit source]

The target of the quest is Gargabol, Heart of the Wild, the Boss creature at the end of the Ancient Grove. Mogdrogen will give the player a Skeleton Key as a quest progress reward to enter the Roguelike section. After defeating Garbagol, return to Mogdrogen in Ugdenbog to receive the final reward.

Rewards[edit | edit source]

Normal Elite Ultimate
XP 45000 80000 150000
Item Random Epic Weapon Random Legendary Weapon

Quest Log[edit | edit source]

Quest log
Mogdrogen's Avatar has shown himself before you in Ugdenbog. As the god of beasts is occupied elsewhere, he has asked you to assist him in cleansing the Ancient Grove of Ugdenbog of the vile corruption growing within it.

Only when the Heart of the Forest has been purged will the grove be allowed to cleanse itself of the Aetherial and Ch'thonic taint.

This task will require a Skeleton Key.


  • Cleanse the Ancient Grove
You have cleansed the corruption within the heart of the Ancient Grove.

Return to Mogdrogen in Ugdenbog and report on your success.


  • Speak to Mogdrogen in Ugdenbog

Tier 1
Ascendant AnvilEmpty ThroneFalconHammerHarpyOwlShepherd's CrookToadWolverine
Chaos FiendGhoulJackalRatViperVultureWretch
Eldritch Akeron's ScorpionBatEye of the GuardianFoxHawkQuillRavenScholar's LightSpider
Order Assassin's BladeCraneDryadLionPantherStagTortoise
Primordial BullEelGallowsHoundImpLizardSailor's GuideTsunamiWraith
Tier 2
AfflictionAlladrah's PhoenixAmatok the Spirit of WinterAssassinAutumn BoarBard's HarpBehemothBerserkerBlades of NadaanBysmiel's BondsChariot of the DeadCrabDire BearHarvestman's ScytheHuntressHydraKrakenMagiManticoreMessenger of WarMurmur, Mistress of RumorsOklaine's LanternRevenantRhowan's CrownRhowan's ScepterScales of UlcamaShieldmaidenSolael's WitchbladeSolemn WatcherStaff of RattoshTargo the BuilderTempestTyphos, the Jailor of SoulsUlo the Keeper of the WatersWendigoWidow
Tier 3
AbominationAeon's HourglassAttak Seru, the MirageBlind SageCrossroadsDevotionDying GodIshtak, the Spring MaidenLeviathanLight of EmpyrionMogdrogen the WolfObelisk of MenhirOleronRattosh, the VeilwardenSpear of the HeavensTree of LifeUlzuin's TorchUltos, Shepherd of StormsUnknown SoldierVire, the Stone Matron