Introduction to Eureka Orthos (2024)

Last updated on May 05, 2024 at 12:00by Stella1 comment

This page aims to prepare you for the Deep Dungeon Eureka Orthos andprovide you with generalized information alongside access to specific guidesfor completing the content in both group and solo instances.

Eureka Orthos is the third Deep Dungeon players will encounter, with 100 floorsand a level cap of 90. All players will begin at level 81 when starting on Floor 1, andlevel 90 when starting on Floor 21. You must complete thequest Delve into Mythin order to enter the duty, as well as have completed the first 50 floors of Palace of the Dead.

Clearing a floorset inside Eureka Orthos rewards players with gil, experience,and Allagan Tomestones of Poetics at all levels. Players at the currentlevel cap are also awarded both the capped and uncapped tomestones currentlyavailable.

Upon reaching floor 100, a terminal can be found. Interacting with this willgive all players an Orthos Tomestone, which can be exchanged foraccessories or housing items at the Synthesis Node in Mor Dhona.

Various Titles are available from clearing Eureka Orthos.

• Duskfall: Clear floor 30 of Eureka Orthos.
• True Steel: Clear floor 100 of Eureka Orthos.
• Sovereign Hero: While wearing the four Enaretos Accessories, speak with Koh Rabntah. This also awards the Aeturna Horn.
• Once and Future Queen or Once and Future King: Clear floor 100 of Eureka Orthos solo, having started from floor 1 and not recorded a single KO.

• Q: What food should I use?
  • A: Use the highest item level food available, as it gives the most Vitality. As of patch 6.58, thisfood is HQ i640 Baked Eggplant or equivalent.
• Q: What healing potions should I use?
  • A: Using a Hyper-potion is recommended as it will restore themost amount of HP.
• Q: Should I use damage potions?
  • A: Damage-increasing Tinctures can be used for a dps boost as necessary. The cheapest HQ Tinctures you cancurrently buy will be the ones for the current raid tier most of the time, as they have the highestsupply. As of patch 6.58, these are Grade 8 Tinctures.
• Q: Is there anything else I need to know about consumables?
  • A: Orthos Potions have their own 15s recast timer. However, all other potions mentioned aboveshare the same recast timer. As damage Tinctures have a 4m30s recast, this means you will be unable to usea healing potion until that timer is done, so be aware of this if you plan to use one.

Orthos Potions are an item that can only be used inside EurekaOrthos. They give the user a health regeneration effect for 30 seconds, andhave a 15 second cooldown, allowing them to be permenantly in effect ifnecessary. These potions are extremely helpful in party runs, but are requiredfor survival in solo runs, especially on jobs with few or no other ways ofhealing.

20 Orthos Potions can be bought with 1 Orthos Aetherpool Fragment from theSynthesis Node in Mor Dhona.Fragments can rarely be found inside Bronze Coffers in Eureka Orthos. You also get a guaranteed one after the floor 30 boss.

In order to farm Fragments efficiently, you should enter the dungeon onfloor 21 with either a matched party, or a fixed party of four players.From here, defeat the floor 30 boss as quickly as possible in orderto obtain the guaranteed drop, though be sure to open any Bronze Coffersyou find along the way. Upon clearing the floorset, delete the save fileand re-enter, repeating as needed.

If you wish to attempt a solo clear of Eureka Orthos in order to obtain the All by Eurekaself II achievement and the Once and Future Queen/Kingtitle, you should ideally have at least 200 Orthos Potions before beginning.While you may find yourself needing more potions than this across the entirerun, you will be picking up more Potsherds along the waythat can be exchanged for pots between floorsets.

Players will be restricted to the use of an Orthos Aetherpool Armand Orthos Aetherpool Armourwhile inside Eureka Orthos. In addition to gaining levels, players must enhance these items asthey progress through the dungeon by opening Silver Coffers, up to the cap of +99 for each item.

In order to farm Aetherpool efficiently, you should enter the dungeon onfloor 21 with either a matched party, or a fixed party of four players, and openas many Silver Coffers as possible. Upon clearing the floorset, delete thesave file and re-enter, repeating as needed.

You can exchange 10 aetherpool from both your Arm and Armour for an Orthos Aetherpool Grip at the Synthesis Node. You can then exchangethree Grips (total 30/30 Aetherpool) for an i620 Orthos Weapon, allowingyou to glamour the appearance of low level Orthos Atherpool Arms to regularweapons outside of Eureka Orthos. By later trading in your Orthos weapon, plusan additional six Grips (total 90/90 Atherpool), you can obtain an i625Enaretos weapon, allowing you to glamour the appearanceof high level Orthos Atherpool Arms to regular weapons outside of EurekaOrthos. Unlike other Deep Dungeon weapons, these can be dyedto change the colour of their internal lighting effect.

Throughout the Deep Dungeon, there is a small chance that unique enemieswill spawn. These mobs have a significant amount of HP, incrediblypowerful attacks, and are immune to knockback, which prevents them from beingkilled with a Pomnader of Dread. However,successfully slaying one will grant all party members a 30 minute buff and apiece of the Accursed Horde.

Dread Beast	Abilities	Buff Effect
Lamia Queen	Grants a stacking Regeneration effect to itself once pulled. It has a telegraphed point-blank AoE witha short cast time, and an omnidirectional gaze mechanic with a long cast time.	Grants a Regeneration effect to all party members for 30 minutes when defeated.
Meracydian Clone	Casts Berserk to grant itself Damage Up, which can be interrupted. Below 40% HP, it casts a massivetelegraphed AoE with a long cast time.	Grants a 30%Damage Up effect to all party members for 30 minutes when defeated.
Demi-Cochma	Grants a stacking Vulnerability Down effect to itself once pulled. At low HP, it casts a massive sacrificial AoEwith a long cast time.	Grants a 30% Vulnerability Down effect to all party members for 30 minutes when defeated.

While clearing Eureka Orthos with a full party of four players is usuallyfaster, safer and easier than entering alone, clearing the dungeon by yourselffrom beginning to end is not only possible, but rewards players with a rare title,Once and Future King/Queen, upon clearing floor 100 with no deaths on arun that started from floor 1.

Clearing Eureka Orthos solo relies entirely on a player's individual skill,and can therefore be a welcome change of pace for those who are used to thestandard eight player content of Savage and Ultimate raids. However, it iseasy for some players to become frustrated or burnt out when attempting to clear,and being able to take a break for as long as needed before returning to thesame save file and picking up where you left of is important to keep in mindif you find yourself struggling.

As of 6.58, every job has cleared Eureka Orthos solo. However, some jobsare easier or harder to achieve this feat with. For example, Tanks and Healerswill find it harder to stay on pace when progressing through later floorsets,as their damage output is lower than that of DPS jobs which will result in moretime taken per floor.

Unlike previous Deep Dungeons, the majority of the enemies within EurekaOrthos often deal minimal amounts of unavoidable damage to players. Instead,the challenge is found in the mechanics of the enemies and bosses, thelatter of which are much more involved than the bosses of previous Deep Dungeons.As such, survivability matters far less when choosing a job.

The jobs listed below are the main standouts at both ends of the difficultyscale for soloing Eureka Orthos.

• Samurai
  • Samurai excels at consistent high damage, able to dash from enemy to enemyin floors and utilise its powerful offensive kit to quickly progress the dungeon.With Second Wind and Bloodbath at its disposal alongsidetheir fast killtimes, it can end up requiring fewer healing potions than otherjobs to clear.

• Machinist
  • Machinist excels at kiting and burst damage, as well as highly useful crowdcontrol in the form of Head Graze, Leg Graze and Foot Graze. Peloton is also an extremely valuable skill fornavigation through the floors, as the extra movement speed allows you totraverse floors faster. It also has an extra mitigation tool compared to theother physical ranged dps in Dismantle, making it evensafer.

• Summoner
  • Summoner, like Machinist, excels in kiting and burst damage. UnlikeMachinist and most other jobs, it has no gauge it needs to build or resourcesit needs to manage beyond Fester charges, and can simply chainpull enemies rather than wait for cooldowns to come back before initiating.It also has a strong survivabiltiy tool with Radiant Aegis.

• Red Mage
  • Red Mage is a very balanced job to take into Eureka Orthos, with good burstand access to healing in the form of Vercure as well as theability to Sleep mobs in an emergency.

• Astrologian
  • Astrologian has the lowest personal dps of all jobs in the game, due tobeing designed around gaining a significant amount of its power fromfeeding teammates raid buffs such as its cards and Divinationin eight-player raids. As such, it is the hardest job to clear Eureka Orthoswith, and needs to make full use of both pomanders and strategies likeintentionally stepping on Landmines in order to clear floors fast enough to have achance of completing each floorset.