Arknights: Endfield Marble Aggelomoirai Detailed Strategy Guide and Skill Counter Techniques

The Marble Aggelomoirai in Arknights: Endfield dungeons are high-difficulty boss-level enemies featuring dual Dormant and Awakened forms. It demands a deep tactical understanding and precise team composition from players. Those facing this boss for the first time, without mastering its phase transition logic and attack patterns, are prone to falling into passive situations during combat. This article systematically outlines its core mechanics, form-switching rhythm, skill characteristics at each phase, and practical team-building recommendations to help players clear the challenge efficiently.

The first phase of the Marble Aggelomoirai is a dormant state, during which the main body is untargetable and only indirect damage can be dealt through the summoned "Marble Appendages." The appendages have two attack modes: one is a vertical hammer strike on the ground, causing area shock damage; the other is the autonomous shattering of the appendage tips into multiple "Corrosive Shards," which are thrown in a parabolic trajectory toward the Operators. All Marble Appendages must be destroyed during this phase to break the dormant barrier and expose its core weak point—at this point, the BOSS becomes vulnerable, officially entering the second phase.

During the awakening phase, the Marble Aggelomoirai periodically switches its arm weapon forms, each with unique attack mechanics: when switching to spear form, it performs high-speed thrusts or a series of three consecutive stabs; when switching to hammer form, it unleashes a large-area ground slam AOE with a brief stun effect; when switching to blade form, it executes a horizontal slash followed by a two-hit uppercut combo; when switching to winged form, it ascends and performs three diving strikes, with clear telegraphed impact zones; additionally, it randomly generates multiple "Ankhors" on the battlefield that simultaneously fall after a few seconds, covering several fan-shaped areas across the map.

In all forms, the Marble Aggelomoirai 's aggro is always locked onto the controlled Operator, with the other three deployed Operators receiving almost no direct damage. Therefore, it is recommended to use a "single tank + single support + two DPS" composition: select Snowshine as the main tank for her high defense and damage reduction traits; pair her with Ardelia for sustained healing and HP recovery; the remaining two slots can be filled with high burst DPS Operators (such as Chen Qianyu and Wulfgard) to ensure sufficient damage output during the core exposure window.

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The key to combat lies in rhythm control: during the dormant phase, prioritize focusing fire on the appendages to avoid being continuously suppressed by Corrosion Fragments; during the awakening phase, closely monitor weapon changes to anticipate attack types and adjust positioning accordingly. For example, the spear thrust is preceded by a noticeable arm raise, the heavy hammer slam is signaled by a red warning circle on the ground, and the dual-wing dive includes a brief airborne pause—each serving as an effective evasion window. By skillfully utilizing Operators’ skill downtime and the boss’s stagger frames, you can consistently suppress its health curve.

In summary, the Marble Aggelomoirai is not merely an opponent that relies on numerical superiority; its design is fundamentally a mechanism-driven challenge. By clearly understanding the trigger conditions for Dormancy → Awakening, identifying the distinguishing features of each weapon form, and implementing a survival chain centered around Snowshine combined with Ardelia’s sustain system, players can significantly improve their clearing stability. This BOSS‘s Deep Dive Mode currently has a fixed drop of promotion materials in the current version, so it is recommended that players focus their efforts when resources are sufficient.