Eureka Orthos is a challenging 100-floor deep dungeon in Final Fantasy XIV, introduced in patch 6․35 as part of the Endwalker expansion․ This guide provides essential information to help players navigate its complexities, whether solo or in a party․ Designed for level 81 players, Eureka Orthos offers a randomized dungeon crawl experience, requiring strategic planning and resource management․

To unlock Eureka Orthos, players must first complete the prerequisite quests, which involve progressing through the main storyline and earlier Eureka content․ Once unlocked, players begin at level 81, with the opportunity to gain experience and strength by defeating enemies within the dungeon; The dungeon features over 150 unique monsters and bosses, each with detailed spell mechanics that players must learn to overcome․

Protomanders are a crucial tool in Eureka Orthos․ These items can significantly speed up progression by reducing enemy health to 1 HP, allowing for quick kills․ They are particularly useful for tackling the dread beasts, powerful enemies that grant 30-minute buffs when defeated․ Demi-Cochma, for example, provides a strong defense buff, making it a valuable target for players seeking to enhance their survivability․

The dungeon also introduces Demiclones, which offer additional challenges and rewards․ Players must adapt their strategies to handle the unique abilities of these enemies․ For those seeking a deeper understanding of the dungeon’s mechanics, Maygi’s Handbook is a recommended resource, offering detailed insights into boss strategies, monster abilities, and optimal routes․

Survivability is key in Eureka Orthos, and players are encouraged to craft Orthos Potions using Aetherpool Fragments․ These potions provide significant boosts to health and resilience, making them indispensable for progressing through the dungeon’s higher floors․ Additionally, players should save their progress regularly using the Orthos Save Data system, which allows for two separate save slots․

Whether soloing or partying, Eureka Orthos demands careful preparation and teamwork․ With its rich mechanics and rewarding challenges, this deep dungeon offers a unique experience for Final Fantasy XIV players․ Good luck on your journey through the depths of Eureka Orthos!