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Categories: Guides

Path of Exile 3.20 The Forbidden Sanctum League Challenges Complete Guide

We have written a new complete Path of Exile The Forbidden Sanctum League Challenges Complete Guide. Below you can see the full list of PoE 3.20 challenges and tips on how to complete them. We have divided them into categories starting from the easiest ones. If you what to know about Path of Exile 3.20 The Forbidden Sanctum Challenge Rewards List just click on the link.

There are 40 challenges in PoE. Some are easy to obtain during levelling, and others are harder or almost impossible to achieve. In our Path of Exile, The Forbidden Sanctum League Challenges Complete Guide you will read the tips that will help you do as many PoE challenges as you can or even all 40 if that is your goal.

Our guide is presented in the rating difficulty list. That means that we have divided the full The Forbidden Sanctum challenges list into three difficulties: easy (the most part of them you’ll do while levelling), normal (you can obtain them with minimal effort), and hard (needed to accomplish the full challenge league trophy).

This challenge league has a more simplified challenge accomplishment system. You can get a set (with improvements in look with every new completed challenge) and a challenger trophy from completing all 40 challenges. Sets will be awarded in parts from level 6 every 2 completed challenges you will earn a part of a set. For 38 challenges you get the full upgraded set. The trophy as usual you start collecting from level 19 till level 40. Due to the fact that now you get more cosmetics every 2 challenges, you can stop at any point if it is hard for you to go further. But in any case, the Lake of Kalandra League Challenges are not too hard this time.

Easy Difficulty The Forbidden Sanctum Challenges

As we have already said you’ll see them get completed while you play and level up your champion. If you finish the last act you’d probably have all the following 10 challenges completed.

Learning the Ropes

Complete each of the following tasks.

  • Use an Orb of Transmutation
  • Buy an item with at least 3 linked sockets from a vendor
  • Fully clear the Fetid Pool

You can do it in Act I. Nessa sells Orbs and Tarkleigh sells weapons (if there are no 3 linked sockets item level up and check again). The Fetid Pool entrance is in The Mud Flats area.

Rediscovered Past

Complete each of the following encounters.

  • Complete a room in the Forbidden Sanctum
  • Complete a room in the Forbidden Sanctum while you have a Boon
  • Complete a room in the Forbidden Sanctum while you have an Affliction
  • Unlock the Relic Altar

This is related to new mechanics. You can read all details in Path of Exile 3.20 The Forbidden Sanctum Mechanics Guide.

Vendor Knows Best I

Complete vendor recipes to receive each of the following items. A vendor recipe is when you trade a specific combination of items to a vendor, not when you buy items from their purchase screen.

  • Hybrid Flask
  • Onyx Amulet
  • Jeweller’s Orb
  • Orb of Chance

Hybrid Flask – Vendor 1 Orb of Fusing with 1 Life Flask and 1 Mana Flask.

Onyx Amulet (normal) – Vendor 1 amulet with 1 red skill gem, 1 green skill gem, and 1 blue skill gem.

Jeweller’s Orb – Vendor 1 Orb of Fusing with 1 Chromatic Orb. OR a 6-socket item.

Orb of Chance – Vendor 2 Identified rare items with same name.

You can find more vendor recipes in the Path of Exile Most Useful Vendor Recipes post.

Defeat these Act Bosses I

Defeat each of the following Unique Act Bosses.

  • Act 1: Merveil, the Twisted
  • Act 2: Vaal Oversoul
  • Act 3: Dominus, Ascendant
  • Act 4: Malachai, The Nightmare
  • Act 5: Kitava, the Insatiable

You will find these bosses at the end of each act as referred to above. Kill them and you are done.

Dangerous Errands

Complete each of the following encounters.

  • Kill an Essence Monster
    Essence Monsters look like the frozen encounter of monsters. You need to click on the one in the centre three times to activate it. More about Essences in Path of Exile Essences Guide.
  • Activate a Shrine
    A shrine can be met in any area. You just need to click on it to activate it.
  • Complete a Vaal Side Area
    These are areas marked with a red heart (biological heart) on the mini-map. The entrance itself is red and you will enter a new location when you enter. Kill the miniboss in the end and click on the Vaal Vessel!
  • Complete an Abyss
    Abyss marked on a mini-map as a green circle. To activate it you need to step on it. It will crack the ground and many powerful monsters will appear from the ground. Follow the trail and kill as many as you can. In the end, you will see a chest, a portal to the Abyssal Depth or nothing. Path of Exile Abyss League Guide explains more about it.

Secretive Sepulchre

Complete each of the following encounters.

  • Complete a floor in the Forbidden Sanctum
  • Buy a Boon from Divinia
  • Activate a Fountain
  • Make an Accursed Pact

This is related to new mechanics. You can read all details in Path of Exile 3.20 The Forbidden Sanctum Mechanics Guide.

Defeat these Act Bosses II

Defeat each of the following Unique Act Bosses.

  • Act 6: Tsoagoth, The Brine King
  • Act 7: Arakaali, Spinner of Shadows
  • Act 8: Lunaris, Eternal Moon and Solaris, Eternal Sun
  • Act 9: The Depraved Trinity
  • Act 10: Kitava, the Insatiable

You will find these bosses at the end of each act as referred to above.

Jubilant Jewels

Corrupt Jewels to achieve each of the following outcomes.

  • Corrupted Implicit Modifier
  • Corruption-Exclusive Crimson Unique Jewel
  • Corruption-Exclusive Cobalt Unique Jewel
  • Corruption-Exclusive Viridian Unique Jewel

Use Vaal Orb on jewels of the relevent types to get such outcomes (they are random).

Vendor Knows Best II

Complete vendor recipes to receive each of the following items. A vendor recipe is when you trade a specific combination of items to a vendor, not when you buy items from their purchase screen.

  • Orb of Fusing
  • Unique Item
  • Gilded Scarab
  • Exalted Shard

Orb of Fusing – Vendor 1 6-linked item.

Unique Item – Vendor 3 unique items of the same name, not corrupted and have the same explicit.

Gilded Scarab – Vendor 3 the same Polished Scarab.

Exalted Shard – Vendor Identified, full set of the same influenced items OR Unidentified, full set of the same influenced items.

Exalted Providence

Use any three of the following Exalted Orb Currencies.

  • Exalted Orb
  • Tainted Exalted Orb
  • Eldritch Exalted Orb
  • Conqueror Exalted Orb

You can read about these orbs in Path of Exile 3.16 Scourge League Tainted Orbs Explained post. as fpr the Eldritch and Conqueror you can buy them or recieve as drop from maps of the relevant influence.

Normal Difficulty The Forbidden Sanctum Challenges

These challenges are as hardy autocomplete as the previous ones. Here you’ll need to do some research, but they are also pretty easy to obtain.

Atziri Calls

Defeat Atziri, Queen of the Vaal in The Apex of Sacrifice.

This is not hard. You just need to know how to unlock the map. You can read about it in How to Unlock All Endgame Bosses in Path of Exile.

Complete Anarchy Encounters

Complete each of the following Anarchy encounters.

  • Kill Rogue Exiles x60
  • Kill a Rogue Exile while you are affected by a Shrine
  • Kill 3 Rogue Exiles within 10 seconds of the first one dying
  • Kill a Rogue Exile while Delirious

Anarchy was the first challenge league in PoE, all details about its encounters you can read here. You should also take nodes in the Atlas skill tree to meet them more frequently.

Complete Domination Encounters

Complete each of the following Domination encounters.

  • Activate Shrines x90
  • Kill a Map Boss while under the effect of a Shrine
  • Activate a Divine Shrine
  • Have the effects of 4 different Shrines on you at once

Activate skill in Atlas skill tree to meet more shrines and also craft maps (activate it in map device as well) with shrines and of you go farming.

Complete Beyond Encounters

Complete each of the following Beyond encounters.

  • Defeat Rare Beyond Monsters x100
  • Use a Tainted Currency
  • Defeat a Beyond Boss while you are affected by a Shrine
  • Defeat a Beyond Boss while Delirious

This is related to Beyond mechanics. Also, you need to activate Delirium and get a Shrine.

Unearthed Sanctuaries

Complete one of any of the following rooms in the Forbidden Sanctum.

  • Abandoned Library, Decrepit Cellar, Halls of Worship or Undercroft
  • Templar Annals, Battleground, Infernum or Desecrated Crypts
  • Chambers of Inscription, Derelict Caverns, Unholy Lair or Lost Catacombs
  • Scriptorium, Reliquary, Sanctum Bellum or Necropolis
  • Holy Trials, Gauntlet, Crucible or Entombment
  • Candlelit Chapel, Experimentation Chamber, Hall of Mirrors or Sanctum Sanctorum

This is related to new mechanics. You can read all details in Path of Exile 3.20 The Forbidden Sanctum Mechanics Guide.

Complete Breach Encounters

Complete each of the following Breach encounters.

  • Complete Breaches x60
  • Open Breachlord’s Clasped Hands x20
  • Upgrade a Breach Unique
  • Complete any Pure or Flawless Breachstone

There is a guide on our website about Path of Exile Breach where you find more details and pictures.

Complete Harbinger Encounters

Complete each of the following Encounters.

  • Defeat Harbingers x60
  • Assemble a Harbinger Unique
  • Use a Fracturing Orb
  • Complete The Beachhead while it is Tier 15

More about Harbingers and The Beachhead maps you can read in the post we mentioned.

Complete Delirium Encounters

Complete each of the following Encounters.

  • Pass through Delirium Mirrors x30
  • Defeat a Delirium Boss
  • Gain at least 20 rewards from a single Delirium Mirror
  • Complete the Simulacrum

Read our Path of Exile Simulacrum Guide to complete this challenge. Delirium can be met on maps though.

Complete Ritual Encounters

Complete each of the following Ritual encounters.

  • Complete Ritual encounters x100
  • Exchange Tribute for a Ritual Base Type
  • Complete the final Opulent Ritual in a Map
  • Complete a single Ritual encounter with at least 4 Unique Map Bosses

This is related to old mechanics. You can read all details in Path of Exile Ritual League Challenges Complete Guide.

Pious Pacts

Complete a floor in the Forbidden Sanctum while affected by three of the following Accursed Pacts.

  • Pyrrhic Pact
  • Doubling Pact
  • Apex Pact
  • Austerity Pact
  • Indomitable Pact

Pacts can be unlocked in Act 7, when you return to the Forbidden Sanctum in The Fellshrine Ruins. It will be mentioned as a league-specific quest. Read more about the current league in Path of Exile 3.20 The Forbidden Sanctum Mechanics Guide.

Achieve Ascension

Use the Ascendancy Device in all 4 Labyrinths.

  • The Labyrinth
  • The Cruel Labyrinth
  • The Merciless Labyrinth
  • The Eternal Labyrinth

To complete all Ascendancy Trials read Path of Exile: Labyrinth Trials Guide.

Terror Tearing at the Seams

Defeat 50 of any Beyond, Breach, Delirium or Harbinger boss in Maps.

You will find all of these bosses guides in How to Find All Endgame League Specific Bosses in Path of Exile.

Definitive Deviation

Complete a floor in the Forbidden Sanctum while affected by 17 of the following Afflictions or Boons.

  • Silver Coin
  • Imperial Seal
  • Silver Descry
  • Golden Descry
  • Bronze Descry
  • Priest’s Descry
  • Holy Descry
  • Crystal Chalice
  • Bronze Coin
  • Gold Coin
  • All-Seeing Eye
  • Holy Water
  • Crystal Shard
  • Deadly Snare
  • Anomaly Attractor
  • Death Toll
  • Demonic Skull
  • Veiled Sight
  • Unassuming Brick
  • Cutpurse
  • Orb of Negation
  • Chiselled Stone
  • Glass Shard

They will be random, you can read which one is applied. Boons you can by in a related room. Read more in Path of Exile 3.20 The Forbidden Sanctum Mechanics Guide.

Unique Realms

Complete each of the following Unique Maps.

  • Vaults of Atziri
  • Maelström of Chaos
  • The Coward’s Trial
  • Acton’s Nightmare
  • Poorjoy’s Asylum
  • Mao Kun
  • Oba’s Cursed Trove
  • Olmec’s Sanctum
  • Death and Taxes
  • Whakawairua Tuahu
  • The Vinktar Square
  • Caer Blaidd, Wolfpack’s Den
  • The Putrid Cloister
  • Hallowed Ground
  • The Twilight Temple
  • Pillars of Arun
  • Doryani’s Machinarium

Any of them can be purchased on PoE trade. Also, you can unlock passives in Atlas skill tree to get them faster. And check Kirac shop and missions, he usually has them too.

Call of the Wild

Complete each of the following Bestiary encounters.

  • Complete Red Tier Einhar Master Missions x30
  • Complete Beastcrafts at the Blood Altar x50
  • Capture Red Beasts in Maps x100
  • Defeat a Bestiary Boss

We have a post that will help you complete this PoE challenge – Path of Exile Bestiary League Guide.

Unfathomable Darkness

Complete each of the following Delve encounters.

  • Complete Red Tier Niko Master Missions x30
  • Spend Azurite on your Voltaxic Generator x25000
  • Detonate hidden walls x25
  • Defeat a Delve boss in a level 83 area

You need to play in Delve. As for the bosses, you can read more about them here.

Unholy Adversaries

Defeat the following monsters in the Forbidden Sanctum while the area is level 78 or higher.

  • Azure Assassin
  • Crimson Archmage
  • Deadly Bladedancer
  • Deathly Archmage
  • Entombing Warden
  • Infernal Sentinel
  • Masked Combatant
  • Obsidian Sentinel
  • Templar Marksman
  • Undying Archmage
  • Crimson Archbishop
  • Greater Wraith
  • Aureate Guardian
  • Colossal Lithomancer

These areas are mentioned when you choose a room to clear. Read more in Path of Exile 3.20 The Forbidden Sanctum Mechanics Guide.

Temporal Detour

Complete each of the following Incursion encounters.

  • Complete Red Tier Alva Master Missions x30
  • Upgrade Incursion Temple rooms to Tier 3 x50
  • Complete Temples of Atzoatl x20
  • Defeat the Omnitect while it is augmented by at least two Tier 3 rooms in an area of level 83

To complete this challenge you need to complete Alva missions and clear the Temple of Atzoatl. Try to upgrade rooms to tier 3 3 times in our temple. Or you can buy it on PoE trade. Some information you can read here.

Suspicious Syndicates

Complete each of the following Betrayal encounters.

  • Complete Red Tier Jun Master Missions x30
  • Complete Syndicate Safehouses x30
  • Execute Syndicate Members x100
  • Defeat the Mastermind in an area of level 83

Catarina, Master of Undeath there you’ll find information about this challenge.

Monster Massacre

Kill 1,000,000 monsters in areas that are level 68 or higher.

Nothing special, but time-consuming just clear maps.

Reoccurring Reminiscent Realms

Complete Atlas Memory Maps that have at least 100% Item Quantity and are Tier 14 or higher.

Such maps you can buy on PoE trade or craft them yourself using related currency.

Renewed Rares

Defeat 250 Rare Monsters that have four modifiers.

They have reworked how Archnemesis mobs appear in the base game once more. Now, areas will have much fewer rares and magic monsters than before, but they will be slightly higher and give more loot to compensate. Certain Archnemesis mods also drop special rewards just like how they did in Archnemesis League. Some archnemesis may be quite rare to spawn but thankfully this challenge only needs to find 10 out of 15 of them, so should be easy enough, not much RNG is needed for this.

Spectacular Spectator

Complete 30 Maps that are Corrupted, have 8 Map mods and are Tier 14 or higher while you are being witnessed by The Maven.

You can read more about it in Path of Exile Echoes of the Atlas Guide. But Maven is also an endgame boss, which you can fight, read here. Such maps you can buy on PoE trade or craft them yourself using related currency.

Acutely Activated Altars

Use at least three Eldritch Altars in a single Map the specified number of times.

  • Searing Exarch x25
  • Eater of Worlds x25

Path of Exile Siege of the Atlas Mechanics has information about this challenge. It is the mechanics of the current Atlas.

Hard Difficulty The Forbidden Sanctum Challenges

These challenges may cause more difficulties and extra effort to complete them. Such as an extra farm of content and tactics and mechanics on killing end-game bosses.

Orthodox Origins

Complete each of the following encounters.

  • Fully unlock the Relic Altar
  • Complete the Forbidden Sanctum with no Relics in an area of level 81 or higher
  • Complete the Forbidden Sanctum with no Boons in an area of level 81 or higher
  • Complete the Forbidden Sanctum while you have at least 15 Afflictions in an area of level 81 or higher

Just play the Forbidden Sanctum with these conditions and as much as you can.

Complete Cartography

Complete each of the following on your Atlas.

  • Complete every Map Bonus Objective on the Atlas x115
  • Have four Voidstones socketed in your Atlas
  • Unlock every Favoured Map Slot x12

More about Atlas Mechanics you can read in Path of Exile Siege of the Atlas Mechanics. As for the map bonuses, white maps (1-5 tier) should be magic, yellow maps (6-10) should be rare, and red maps (11+) should be rare and corrupted to unlock bonus objectives. You can see the Maps Tiers list in this post.

Sanctimonious Skill

Defeat the following Forbidden Sanctum floor bosses in the specified ways while the area is level 83.

  • Varakath, the Waxen without being hit by flamethrower
  • Braom, the First Experiment and Uzar, the Second Experiment after killing one while the other has 50% or more life
  • Xenathar, Templar Reaper without being hit by any lasers
  • Lycia, The Unholy Heretic without being Affected by Enervation

We will update this part. It is about the endgame of the current league.

Cosmically Challenging Crucible

Complete each of the following Invitations while they have at least 80% Item Quantity.

  • Writhing Invitation
  • Screaming Invitation
  • Polaric Invitation
  • Incandescent Invitation
  • Maven’s Invitation: The Formed
  • Maven’s Invitation: The Twisted
  • Maven’s Invitation: The Forgotten
  • Maven’s Invitation: The Hidden
  • Maven’s Invitation: The Feared
  • Maven’s Invitation: The Elderslayers

You can read more about it in Path of Exile Echoes of the Atlas Guide. But Maven is also an endgame boss, which you can fight, read here. Such maps you can buy on PoE trade or craft them yourself using related currency.

Punishing Pinnacle Pressure

Defeat any five of the following Pinnacle Boss Encounters in the specified ways.

  • Maven while being affected by Maven’s Punishment
  • Shaper while at least 15 undetonated Volatile Anomalies are present
  • Uber Elder while affected by Vortex ground and Eldritch Decay
  • Cortex without being hit by Wormhole Slam
  • Sirus while being affected by Desolation of the Awakener
  • Eater of Worlds after successfully completing Inescapable Doom at least 5 times
  • The Searing Exarch while being affected by Searing Rune

To learn how to unlock the way to these bosses read How to Unlock All Endgame Bosses in Path of Exile.

Grinding Grand Goals

Complete any four of these encounters the specified number of times.

This is a time-consuming task you ought to play much to complete four of these. Every mechanic of it is mentioned in the links.

The Forbidden Sanctum League Challenge Rewards

We have written a separate post about it and you can see all Lake of Kalandra League Challenge Rewards in Path of Exile 3.20 The Forbidden Sanctum Challenge Rewards List or you can also watch the video above.

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