Ardelia Build Guide: Top Support Setup for Arknights: Endfield

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Valencia

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Arknights: Endfield features many strong DPS Operators, but none of them reach peak performance without proper support. This is where Ardelia shines. As a dedicated support Operator, Ardelia specializes in healing, debuff conversion, and team-wide damage amplification, making her one of the most valuable enablers in both Physical and elemental team compositions.

To unlock her full potential, Ardelia must be built around Ultimate uptime, debuff efficiency, and healing strength. This guide covers the best Ardelia build in Arknights: Endfield, including optimal weapons, gear sets, stat priorities, and usage tips.

Understanding Ardelia’s Role

Ardelia is a pure support Operator whose value comes from what she enables rather than the damage she deals directly. Her kit revolves around:

• Applying Corrosion

• Consuming Corrosion to trigger Physical Susceptibility and Arts Susceptibility

• Providing consistent team-wide healing

• Boosting ally damage through debuffs and gear passives

Because many top DPS characters rely on enemies taking increased damage rather than raw stat scaling, Ardelia fits seamlessly into a wide variety of teams.

Best Weapons for Ardelia

Dreams of the Starry Beach (Best-in-Slot, F2P)

Dreams of the Starry Beach is Ardelia’s signature weapon, and the best part is that it’s completely free-to-play friendly.

Why This Weapon Is Perfect

• Grants Intellect, Will, and Treatment Bonus

• Enhances Ardelia’s healing output significantly

• When Ardelia consumes Corrosion via her Battle Skill, enemies take increased Arts DMG

This effect allows Ardelia to function as both a healer and a powerful debuffer, making Dreams of the Starry Beach one of the strongest support weapons in the game.

Stanza of Memorials (Great Alternative)

Stanza of Memorials is a strong 5-star option that emphasizes team-wide buffs.

Key Benefits

• Increases Intellect, ATK%, and HP%

• Grants allies a meaningful ATK% buff while Ardelia’s Ultimate is active

Since Ardelia’s Ultimate is already central to her kit, this weapon synergizes naturally with her playstyle and performs extremely well in sustained fights.

Best Gear Set for Ardelia

Eternal Xiranite (Best-in-Slot)

There is no real alternative to the Eternal Xiranite gear set for Ardelia. It enhances everything she already does well.

Why Eternal Xiranite Is Essential

• Provides a strong ATK% buff through its set passive

• Triggers easily when Ardelia consumes Corrosion

• Synergizes with Physical and Arts teams alike

• Encourages frequent Ultimate usage

Because Ardelia naturally replaces Corrosion with Physical and Arts Susceptibility, she activates this set with minimal effort.

Recommended Eternal Xiranite Gear Pieces

Eternal Xiranite Gloves

• Boost Intellect and Will

• Grants Ultimate Gain Efficiency

This piece directly increases healing strength and Ultimate uptime—both core pillars of Ardelia’s role.

Eternal Xiranite Auxiliary Arm

One of Ardelia’s strongest gear options.

Stats Provided

• Intellect

• Will

• Ultimate Gain Efficiency

Because this gear belongs to the Kit category and outperforms other options, many players equip two Auxiliary Arms to complete the set while maximizing stats.

Best Flex Gear Option

Tide Fall Light Armor

As a flex slot, Tide Fall Light Armor is exceptionally strong.

• Provides a large Intellect boost

• Adds extra Ultimate Gain Efficiency

• Does not interfere with Eternal Xiranite’s set bonus

This makes it ideal for pushing Ardelia’s healing and Ultimate uptime even further.

Best Stat Priorities for Ardelia

When optimizing Gear and Artificing, prioritize these stats:

1. Intellect – Increases healing and support scaling

2. Will – Enhances skill effectiveness

3. Ultimate Gain Efficiency – Enables frequent healing and buffs

Secondary stats like HP% are useful but should never replace the core three above.

How to Play Ardelia Effectively

• Apply Corrosion through Combo Skills

• Use Battle Skill only when Corrosion is active

• Convert Corrosion into Physical and Arts Susceptibility

• Cast Ultimate frequently to heal allies and maintain buffs

Ardelia’s value skyrockets when her Ultimate uptime is high and her debuff windows are timed correctly with DPS rotations.

Speed Up Support Builds

Optimizing Ardelia requires unlocking specific Gear Templates, farming Ultimate-focused gear, and progressing far enough to access high-tier weapons. Arknights Endfield Boosting at GladiatorBoost helps players accelerate story progression, Authority Level gains, and resource farming.

Many players use boosting services to quickly build core support Operators like Ardelia, ensuring their DPS characters always perform at peak efficiency without long setup delays.

Final Thoughts

Ardelia is one of the most impactful support Operators in Arknights: Endfield, capable of boosting team damage, sustaining allies, and enabling high-level strategies through debuff manipulation. With Dreams of the Starry Beach, a full Eternal Xiranite set, and heavy investment into Ultimate Gain Efficiency, she becomes an irreplaceable backbone for both Physical and elemental teams.

If you’re looking to strengthen your roster beyond raw DPS, Ardelia is absolutely worth building.