Endwalker content

Eureka Orthos (Floors 61-70)

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See also: Eureka Orthos

Deep Dungeon.png

Eureka Orthos (Floors 61-70)

EO 61-70 Banner.png
Level
90 (Sync: 90)
Difficulty
Normal
Party size
Flexible
1-4 man 1-4 Any class frame icon.png
Unsyncing
Not Allowed
Time limit
60 minutes
Req. quest
Feature quest Rage Extinguished
Entrance
Mor Dhona (X:34.8, Y:19.2)
Patch
6.35

In the late Third Astral Era, when the ancient Allagan Empire was at the zenith of its glory, researchers toiled deep under the Crystal Tower to uncover secrets which might uplift their motherland to even greater heights. Their laboratory was dubbed Eureka Orthos, where impossible concepts of immortality, cloning, and dominion over the divine were made reality. So fantastic was this research that the legend of Eureka has endured through the ages, and now you have been tasked by the archmagus Noah to bring the laboratory's buried secrets into the light of day.

— In-game description

Eureka Orthos (Floors 61-70) is a level 90 deep dungeon introduced in patch 6.35 with Endwalker.

Floors 41-70 Guide by Joonbob

Enemies

Enemies
Enemy Level Aggro Type Known Floors Notes
Orthos Matamata 90 Sight 61-63
Orthos Pteroc 90 Sight 61-63
Orthos Diplocaulus 90 Proximity 61-64 Peculiar Light - Inflicts 3 minute 200% Vulnerability Up, negates Protomander of Steel
Orthos Monitor 90 Sight 62-65
Orthos Drake 90 Sight 64-66 Smoldering Scales - Counterattacks against physical attacks, disengage
Orthos Basilisk 90 Sight 65-67
Orthos Anala 90 Sight 65-68
Haokah Perfected 90 Sight 66-69 Spinning Kick - Instant point-blank AoE that knocks back players
Orthos Falak 90 Sight 67-69 Untelegraphed: Electric Cachexia - Donut AOE
Orthos Palleon 90 Sight 67-69 Sticky Tongue - Instantly draws in target. Body Press - Late telegrah point-blank AoE used after Sticky Tongue.
Mimic 90 Proximity 61-69 Gold Chests
Patrolling Enemies
Enemy Level Aggro Type Known Floors Notes
Orthos Cobra 90 Sight 61-64 Untelegraphed: Whip Back - Back conal cleave if someone is behind after Regorge
Orthoninja 90 Proximity 61-69 Assassinate - Kills player with less than 20% HP
Orthos Gowrow 90 Sight 63-67 Untelegraphed, no cast bar: Ripper Claw - Forward cone cleave when raises arm, Tail Smash - Backward cone cleave when raises tail
Dread Beasts
Enemy Level Aggro Type Known Floors Notes
Demi-Cochma 90 Sight 61-69 Grants 30m Vulnerability Down buff (10%) upon defeat
Lamia Queen 90 Sight 61-69 Grants 30m Rehabilitation buff upon defeat
Meracydian Clone 90 Sight 61-69 Grants 30m Damage Up buff (10%) upon defeat

External Links

Deep Dungeon Compendium Floor 61-70 guide

Floor 70 Boss

Aggressive difficulty r6.png Aeturna