Agreth the Nether Spider Guide

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Published On: September 7, 2021

Agreth, The Nether Spider Guide

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Agreth, The Nether Spider appears in Rotation 1 and 2 in the Doom Tower. This challenging encounter will force you to build a team specifically designed to counter her mechanics. Let’s break it down.

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Ability Breakdown

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Envenomed Strand
Attacks all enemies. Places 5% [Poison] Debuff for 4 turns. Will repeat the attack 1 time for each Spiderling without any active buffs. These [Poison] Debuffs cannot be resisted or blocked.

Brood Feast – 3 Turn Cooldown
Spawns 4 spiderlings then places a [Counterattack] buff on all Spiderlings for 3 turns. Will team up with all Spiderlings to attack all enemies if a Spiderling is spawned by this skill. This skill will take place at the start of the round and before you are able to take a turn.

Elder Lurker [Passive]
Counterattacks when enemy decreases Agreth’s Turn Meter. The damage inflicted is equal to the amount of Turn Meter lost. Will ignore 100% of the Target’s Defence.

Tide of Toxins [Passive]
Attacks all enemies at the start of each turn. Deals damage from all [Poison] Debuffs on each enemy instantly. When attacked by an enemy under a [Poison] debuff, increases the duration of all debuffs on the attacker by 1 turn, then places a 25% [Poison Sensitivity] debuff on them for 3 turns. When attacked by an enemy that has no [Poison] debuff, places a 5% [Poison] debuff on the attacker for 4 turns. This debuff cannot be blocked or resisted.

Almighty Immunity [Passive]
Immune to [Stun], [Freeze], [Sleep], [Provoke], [Block Cooldown Skills], [Fear] and [True Fear] debuffs. Also immune to HP exchange effects, HP balancing effects and cooldown increasing effects.

Almighty Strength [Passive]
Damage from skills that scale based on enemy MAX HP cannot exceed 10% of the boss’ MAX HP when attacking the boss

Almighty Persistence [Passive]
All Turn Meter reduction effects are decreased by 50% when used against the Boss.

Spiderlings

Attack Skill
Attacks all enemies. Places a 5% [Poison] Debuff for 2 turns. Cannot be resisted or blocked. Heals Agreth by 10% each time spiderling counterattacks. Places [Ally Protect] on Agreth whenever counterattack is removed or expires. [Ally Protect] cannot be removed.

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How to beat the boss!

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Although Agreth brings many allies to this fight, they don’t actually hit very hard – the thing you need to be careful off is the Poisons they will place when you attack them. Agreth will explode all poisons at the start of her turn, converting those placed poisons into a significant burst of damage on your team. Each poisons is 5% of your HP and these cannot be reduced by defensive buffs. This means you should avoid any champions that AoE on their A1 as spiderlings are buffed with counterattack and will lead to your quick demise.

When you start the fight, Agreth will summon her allies and trigger them to attack meaning you will start with a significant number of poisons. Remember you cannot block or resist these poisons so the only solutions are to either outheal or cleanse the poisons. As Agreth will cause those poisons to do instant damage – we recommend you consider cleansing the poisons by bringing a champion who can remove debuffs.

Additionally, bringing decrease attack on a single target skill will help reduce the on hit damage you will receive from Agreth. Surviving Agreth requires a team built around these mechanics before you can think about killing her.

Main things to Avoid:

  1. Avoid bringing too much reduce turn meter to your team. Agreth will hit you back for the amount of TM she loses and will ignore defence. This could easily one shot a member of your team. Small Turn Meter reductions are viable if the champion is reasonably sustainable i.e. Scyl of the Drakes
  2. Avoid champions with AoE A1 abilities i.e Psylar or Bad-el-Kazar. If a champion as a non-a1 ability with an AoE, the AI will decide not to use these by default (and you can ofcourse disable in the AI Tool) however you cannot stop an A1 attack.

Beating Agreth can be done in a few ways and we have 3 examples of team compositions below! First let’s cover the minimum stats you should aim to hit.

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Required Stat Breakpoints

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For a full stat breakdown, use our handy Raid Stages Tool which displays enemy stats for every encounter in the game. If you are not already a member of the HellHades community, you can sign up for a Free Account to gain access to this tool. Below we will outline the minimum stats you should aim for:

The key stats you should consider are Accuracy and Speed on your team alongside good HP/Def to survive the damage. You can choose to add resistance however this will only work to restrict the debuff extension and Poison sensitivity debuffs when you attack Agreth.

Rotation 1 – Normal

You will face Agreth on Floor 20, 60 and 90 Normal and is Spirit Affinity. To be successful, aim for:

  • Speed: 175+ (Floor 90 is 150 speed however at 60 Agreth gains 25 speed) – Whilst you cannot stop Agreth taking the first turn, you dont want her lapping your champions. If you are running a cleanser on a longer cooldown – consider running them faster to ensure your cleanse is back when attacks again with Brood Feast
  • Accuracy: 125+
  • Resistance: 247+ (To resist the Poison Sensitivity Debuff and Debuff Extension effects)

Depending on which strategy you choose, you should ensure you have enough HP and Defence to survive this encounter. Generally we advise at least 30k HP and 2800 Defence for Normal.

Rotation 1 – Hard

You will face Agreth on Floor 20, 60 and 90 Hard and is Spirit Affinity. To be successful, aim for:

  • Speed: 250+ Whilst you cannot stop Agreth taking the first turn, you don’t want her lapping your champions. If you are running a cleanser on a longer cooldown – consider running them faster to ensure your cleanse is back when attacks again with Brood Feast
  • Accuracy: 355+
  • Resistance: 397+ (To resist the Poison Sensitivity Debuff and Debuff Extension effects)

Depending on which strategy you choose, you should ensure you have enough HP and Defence to survive this encounter. Generally we advise at least 50k HP and 3500 Defence for Hard.

Rotation 2 – Normal

You will face Agreth on Floor 30, 70 and 110 Normal and is Magic Affinity. To be successful, aim for:

  • Speed: 175+ (Floor 110 is 150 speed however at 70 Agreth gains 25 speed) – Whilst you cannot stop Agreth taking the first turn, you don’t want her lapping your champions. If you are running a cleanser on a longer cooldown – consider running them faster to ensure your cleanse is back when attacks again with Brood Feast
  • Accuracy: 125+
  • Resistance: 247+ (To resist the Poison Sensitivity Debuff and Debuff Extension effects)

Depending on which strategy you choose, you should ensure you have enough HP and Defence to survive this encounter. Generally we advise at least 30k HP and 2800 Defence for Normal.

Rotation 2 – Hard

You will face Agreth on Floor 30, 70 and 110 Hard and is Magic Affinity. To be successful, aim for:

  • Speed: 175+ (Floor 90 is 150 speed however at 60 Agreth gains 25 speed) – Whilst you cannot stop Agreth taking the first turn, you dont want her lapping your champions. If you are running a cleanser on a longer cooldown – consider running them faster to ensure your cleanse is back when attacks again with Brood Feast
  • Accuracy: 125+
  • Resistance: 247+ (To resist the Poison Sensitivity Debuff and Debuff Extension effects)

Depending on which strategy you choose, you should ensure you have enough HP and Defence to survive this encounter. Generally we advise at least 50k HP and 3500 Defence for Hard.

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Team Compositions

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Strategy 1: Keep calm and Burn!

burn-strat-comp

This is the safest strategy to approach this boss. It revolves around keeping your team fully healed and bringing champions who can cleanse the poisons. Drexthar Bloodtwin will apply HP Burn Debuffs when he is attacked which will be your primary method of dealing damage to Agreth.

You will want to ensure you have a full cleanse champion (list of good choices below) who is set to be the fastest or close to the fastest champion in your team. This champion will cleanse the initial burst of poisons Agreth will place. Every 3 turns, Agreth will use Brood Feast to re-summon any of her dead spiderlings and then launch another wave of poisons. You should ensure you can fully cleanse this also.

Eventually as each spidering attacks, they’ll receive HP Burn’s. This will cause Agreth to take 3% of her Max HP as damage. This combined with Warmaster and Giant Slayer (for three hit attack A1 champions) masteries you will slowly damage Agreth down. This comp can be auto’d if you can ensure your cleanse works on rotation with Agreth Brood Feast as most non-a1 AoE attacks will not be used by your champions.

MVP’s for this Strategy

Drexthar Bloodtwin: He is irreplaceable for the burn strategy as he can apply the debuff without actually attacking meaning he will not cause the spiderlings to poison you. Additionally, he is defence based and heals on his A1 if Agreth is under HP burn which makes him very durable.

Doompriest: Most of Doompriest’s kit is very disappointing except for her passive. Every turn taken will remove 1 random debuff from each member of your team and heal them for 7.5% of their HP. This makes her extremely useful in relentless artifacts sets or with high speed gear as she is able to cleanse the poisons/poison sensitivity you pick up from attacking Agreth.

Reliquary Tender: It is unusual for a Rare to have an MVP in an endgame strategy and there are certainly legendary champions that can also do he full team cleanse role however Reliquary can be considered an MVP due to the fact she brings an A1 decrease attack (albeit weak version), she brings a regular full team cleanse with continuous heals providing additional healing and she has single target revive should things get tricky.

Champion Alternatives

Not every player will have this exact team, but there are very good options to some of these champions. Below we detail viable alternatives:
Scyl of the Drakes: Lightsworn, Stag Knight, Skathix
Reliquary Tender/Masoleum Mage: Hakkhorn Smashlord, Cardiel, Melga Steelgirdle, Raglin, Riho Bonespear, Runekeeper Dazdurk, Skathix
Doompriest: Tuhanarak The following are sub-par but can perform this role: Fanatic, Heiress, Uugo

Strategy 2: Stun to Success

stun-to-success

This strategy is a more dangerous but potentially faster strategy. It revolves around bringing plenty of Crowd Control to ensure spiderlings are permanently stunned allowing you to then bring higher damage champions. You will retain some elements of strategy 1: that is you still need a full team cleanse to deal with the initial burst of poisons and Drexthar is still a good option as HP burn will apply even if the spiderlings are controlled.

You will be looking for crowd control champions that can reliably bring Stun or Freeze. Sleep is not suitable as any form of damage will break this debuff. By disabling the poisons you should be able to bring more damage in your team with less focus required on defensive stats.

MVP’s for this Strategy

Astralon: As a fusion champion, Astralon was an amazing pickup for anyone who completed the event. He is one of the few champions (and probably the least conditional) that can apply a 100% AoE Stun through his Light of Sanctity ability. You should use this when you start the encounter to disable all the spiderlings allow you to unleash upon Agreth.

Champion Alternatives

Not every player will have this exact team, but there are very good options to some of these champions. Below we detail viable alternatives:
Scyl of the Drakes: Lightsworn, Stag Knight, Skathix
Reliquary Tender: Hakkhorn Smashlord, Cardiel, Melga Steelgirdle, Raglin, Riho Bonespear, Runekeeper Dazdurk, Skathix
Archmage Hellmut/Astralon: Achak the Wendarin, Ba Satha, Big’un, Crypt-King Graal, Fu-Shan, Gurgoh the Augur, Ninja (A3 if manual and targetting spiderlings), Shirimani, Teumesia

Strategy 3: The Paragon of Auto-Friendly

paragon-agreth-comp

This strategy will work 100% of the time – however its one you put on auto and come back after making a cup of tea, playing a round of golf, cleaning the house and whatever else you can fill your time with. You may have seen the Paragon cheese strategy used in other areas of the game and it is no different in this encounter. Paragon can place unkillable on a target permanently. When he is the only one in the team (or alive) this means he cannot be killed. Agreth doesn’t ignore unkillable nor does she bring a debuff removal which makes him unkillable. His damage is not crazy and certainly getting him to 60 with Warmaster mastery will help speed this up but you can easily do this with a level 30/40 Paragon if he is able to survive the first burst of poisons.

This strategy is about picking 4 champions who can quickly nuke the 2 waves before the boss and any champions that can help reduce the damage on Paragon. Once you are at the boss you need to manual and ensure you use Paragon’s A2 on Paragon until all 4 other champions have been defeated by Agreth. After this you can put the battle on Auto. It should take anywhere between 20-35 minutes so take some time to stretch your legs!

It is highly recommended that you build Paragon in either a Toxic or Deflection set. If you have the option of both, we suggest Deflection as this can also deflect the Debuff Extension and Poison Sensitivity back on the boss. It will happen far less than Toxic but you will find it is probably faster on balance. Also – Make sure you build a team using the AI Tool and Disable Paragon’s A3 so he always A1 and A2.

Credit to StewGaming for coming up with this strategy – you can see it in action on his YouTube Channel here.

MVP’s for this Strategy

Paragon: The original cheese, Paragon will keep himself from being killed. As a rare void he’s reasonably (obviously not guarenteed!) to earn from Void Shards. He’s handy on some Doom Tower Floors too!

Champion Alternatives

Unfortunately this strategy requires Paragon however any champions can really fill the other 4 roles. You’re looking for big nukers to kill off the waves and any champions that can absorb damage from Agreth’s initial poison burst. A shield set on one of these champions is a great idea. Much of the survivability support depends on your Paragon’s rank and general tankiness.

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Best team to farm for Forge Materials

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stun-to-success

Farming Agreth Rewards forge materials to make the Affinity Breaker set. You can read about all the artifact sets you can earn from Doom Tower in our Doom Tower Artifacts Guide.

If you want to Farm Agreth, we recommend Strategy 2. It will be much faster than strategy 1 albeit you may fail a few times along the way. As silver keys are only consumed on a successful run, its worth failing a few to cut down run times!

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38 Comments

  1. Konoruck September 1, 2021 at 2:52 am

    This was SPOT on, I used DoomPriest, RT, Hakk, Scyl and for the 5th I used Longbeard.

    Previous teams no matter what I tried…I couldnt even get this jerk down 15%

    This squad(which other than Hakk and Scyl have ALOT of room to improve), easily handled level 90 Spider…it was slow, but we did it. Thank you so much!!!

  2. jim192010 October 4, 2021 at 1:31 am

    I know it isn’t exactly… free to play… but Cardiel (l), Raglin, Skathix, Mountain King, and a TM reducer will do you well.

  3. 187reaper December 1, 2021 at 5:40 pm

    Has anyone had any luck using the burn strategy with Akoth the Seared? I dont have drexthar yet, but im thinking if you turn off his a3 and his only aoe is his burn which then triggers the counter attack you’re getting 10% dmg there followed by a cleanser and scyl with her decrease speed?

  4. Erynd January 3, 2022 at 1:40 pm

    I don’t know if this has been given a though before but alternatively you can use an AOE specific team against spider as well. I got irritated after I failed on the cleansing mechanicm so much and lo and behold it worked perfectly. Contrary to belief Bad-El-Kazar is actually a great hero here since he can AOE cleanse on his A2, you merely need to time things right. I used Bad-El , Ninja, Apothecary, Dark Elhain and Hakkon Smashlord for this matchup. Ninja and Elhain AOE took care of spiders in one move ( mostly), whilst still having 2 aoe cleanse, and a huge solo heal. This matchup was easily the easiest to bring through , even though I have Doompriest and whatnot, it was always a sorry lose. Give this AOE centered matchup a try, you won’t regret it, just don’t forget to time skills right

  5. kyzhk January 6, 2022 at 6:25 pm

    +1 to Erynd’s suggestion.

    I used
    Septimus, bad el, Sir nicholas, Skartosis, Doompriest.

    bad el does a full cleanse, Doompriest continuously remove the poison debuff from attacking the spider. Sir nicholas and Skartosis are kind of back up for if bad el’s cleanse still isn’t quite ready yet to provide team unkillable or debuff cleanse. Septimus just one shot every spiderlings. This works in normal 60, not sure if still viable in higher difficulty.

  6. mikeyboyuk January 27, 2022 at 1:11 am

    Noice! was struggling with Hard Netherspider floor 90, especially the accuracy requirements for burning and not AOE hitting the spiderlings all the time with A1’s and trying to avoid turn meter issues, Then tried your suggestion of Drexthar, Reliquary Tender (50) and Mausoleum Mage (was also only 50) with the Hackhorn and duchess i was already using (which im sure helped a lot too though), and then killed it easy once switching to that team. Who’d have through some level 50’s on a doomtower hard floor 90 would be so clutch. Drexthar (60) landing burns for 10 mill damage made it quick too. Thanks HH and web content providers.

  7. CasualGamerB January 29, 2022 at 5:23 am

    This page badly needs an update with the Geomancer strategy.

  8. McSterge February 9, 2022 at 11:27 pm

    FWIW (as someone who couldn’t beat Normal at lvl 30 until this guide) here is my team comp:
    – Frozen Banshee (ACC Aura + Poison) lvl 60
    – Doompriest (cleanse) lvl 60
    – Reliquary Tender (cleanse & revive) lvl 50
    – Runekeeper Dazdurk (cleanse) lvl 50
    – Tyrant Ixlimor (HP Burn) lvl 50

    I had to manual wave 2 to A1 cycle and reset cooldowns and then manual the whole fight, but it worked.

    P.S. I could beat the Spider at level 20 with the following comp on auto:
    – Frozen Banshee (ACC Aura + Poison) lvl 60
    – Doompriest (cleanse) lvl 60
    – Reliquary Tender (cleanse & revive) lvl 50
    – Vrask (heal) lvl 50
    – Dark Elhain (Damage) lvl 50

  9. Addikt February 17, 2022 at 12:07 am

    Just need an AOE burner and I am good to go, all I have is Jorrg who is single target A1 – doesn’t seem like he would be good enough to get this done. Could clear this spider when it was the first boss encounter in DT but now its the 3rd, its a bit more tricky.

  10. Wicked_Witcher February 17, 2022 at 1:21 am

    This is overwhelming for me. The Only champ I have that you even mention is Sycl. I do have Kael but he’s not suited for this battle. You talk of disabling certain skills but I have no idea how to do that. So, I gues for now, where ever Agreth is, that’s where I stop. Last week it was floor 90 and this week it looks like it’s going to be floor 70! One of these days, I’ll whoop its arse but til then, I’ll give up.

  11. Mudraker February 20, 2022 at 3:52 am

    Beat Agreth level 90 with Rector Drath, Scyle of the Drakes, Uugo, Reliquary Tender, and Lord Falcon Heart. A little over 400 turns. Reliquary Tender and Lord Falcon Heart were level 50, the rest were lvl 60.

  12. TheBaldEagle April 7, 2022 at 9:53 pm

    I used Raglin as a healer/cleanser, Demytha to buy Raglin some time between cooldowns, Ninja, Vogoth, and a random trash unit. Just like he says. Slow and steady. Vogoth did a TON of healing, and I have his HP very high. Good Luck All!!!

  13. DawnWalker April 18, 2022 at 1:58 pm

    First comment on this site
    Can fully Appreciate the amount of research been done. Having said that, I hope you could dedicate some content to Free to Play community.
    Not all of us will spend 500+ a month for any game, but will consider donating to content creators. Thankz.
    Manual solo with 6* Galek (starter champion, fully booked and ascended) in Lifesteal and Perception.
    Utilize anyone to clear the waves.
    Auto until only Galek is alive
    Swith to Manual
    A2 when all spiderlings are present, they should pop in 1 shot.
    Use A1, A3 on Agreth
    If Galek is not fully booked, get your Gear as high and as rare as possible.
    Depending on Speed, Galek should get 3 or 4 turns before spiderlings spawn.
    A2 to pop the spider spawn things.
    Rinse. Repeat.
    Max 36 turns on Rotation 1, Normal
    Again
    Thankz for the awesome content

  14. eilar May 23, 2022 at 8:58 pm

    Was stuck on 70 Hard then found the Strategy 1 guide. Very thankful!

    Same setup, but with a powerful sub. All level 60 ascended with decent gear and not all masteries (3/5), but left it on auto and it finished no issue.

    Final Team – Drexthar (lead), Scyl, Doompriest, Mausoleum Mage, Riho

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