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Arknights: Endfield
Arknights: Endfield
Xaihi
Operator File

Xaihi

Cryo Supporter Arts Unit

A Cryo Arts-focused support character who applies Cryo Inflictions and provides buffs, especially for Cryo/Nature teams. Excels at applying Amp and healing.

Healer Support

Release

2026-01-22T00:00:00.000Z

Build Guide

Stat Priority

Intellect (for Amp scaling)
Will (for healing and Arts Amp)
Ultimate Gain Efficiency

Skill Leveling Priority

Ultimate
Battle Skill
Combo Skill
Basic Attack

Skills

Basic Attack

Basic Attack

Ultimate

Deals Cryo DMG with up to 5 sequences. Final Strike also staggers enemies.

Cryo DMGStagger
Cryo
Distributed DoS (Battle Skill)

Distributed DoS (Battle Skill)

Ultimate

Summons an Auxiliary Crystal that heals the Controlled Operator on Final Strike. Grants Arts Amp if HP is maxed.

HP HealArts Amp
Heal
Stress Testing (Combo Skill)

Stress Testing (Combo Skill)

Combo

Charges and launches Auxiliary Crystal, dealing Cryo DMG and applying Cryo Infliction.

Cryo DMGCryo Infliction
Cryo
Stack Overflow (Ultimate)

Stack Overflow (Ultimate)

Ultimate

Applies Cryo and Nature Amp to the team, scaling with Intellect.

Cryo AmpNature Amp
Buff
Execute Process (Combat Talent)

Execute Process (Combat Talent)

Talent

Increases Cryo DMG against enemies with Cryo Infliction/Solidification.

Cryo DMG Boost
Cryo DMG
Freeze Protocol (Combat Talent)

Freeze Protocol (Combat Talent)

Talent

Dispels Cryo Infliction/Solidification during Ultimate.

Purge Status
Utility

Kit Analysis

Strengths

  • + Cryo Infliction application
  • + Amp buffs
  • + Healing via Battle Skill

Weaknesses

  • − Low direct damage output
  • − Relies on team composition

Team Compositions

Last Rite Team

Last Rite

Last Rite

Fluorite

Fluorite

Ardelia/Perlica

Ardelia/Perlica

Applies Cryo Inflictions via Xaihi and Fluorite. Avoid Fluorite Battle Skill.

Yvonne Team

Yvonne

Yvonne

Last Rite

Last Rite

Xaihi

Xaihi

Focuses on maximizing Yvonne's damage. Xaihi provides Cryo/Nature Amp.

Insights

Summary

A Cryo Arts support who excels at applying Cryo Inflictions and providing team-wide Cryo/Nature Amp while healing allies.

Playstyle

Focuses on supporting Cryo/Nature teams by applying Cryo Inflictions, boosting damage with Amp buffs, and providing healing through her Battle Skill.

Difficulty

Medium

Pros

  • +Strong Cryo Infliction application for team synergy
  • +Provides both Cryo and Nature Amp to boost team damage
  • +Battle Skill heals allies while granting Arts Amp when HP is full
  • +Talent boosts Cryo damage against afflicted enemies
  • +Flexible in multiple team compositions

Cons

  • −Low direct damage output
  • −Requires specific team compositions to maximize effectiveness
  • −Ultimate relies on Intellect scaling for Amp strength
  • −Healing is conditional on HP management
  • −Combo Skill has limited utility outside Cryo teams

Tips

  • Use Ultimate to apply Cryo/Nature Amp before major damage phases
  • Deploy Battle Skill when HP is full to maximize Arts Amp uptime
  • Pair with characters who can trigger Cryo Solidification for Execute Process
  • Avoid using Fluorite's Battle Skill in Last Rite team comps
  • Prioritize Intellect gear to strengthen Ultimate's Amp effect

Common Mistakes

  • !Using Battle Skill when HP isn't full, missing out on Arts Amp
  • !Forgetting to apply Cryo Inflictions before Execute Process triggers
  • !Using Ultimate without team synergy to waste Amp buffs
  • !Neglecting Ultimate Gain Efficiency, delaying Amp uptime

Synergy Notes

  • Works best with Cryo/Nature teams like Last Rite and Yvonne comps
  • Synergizes with characters who can trigger Cryo Solidification
  • Battle Skill healing benefits from Will-focused builds
  • Ultimate's Amp scales with team's Intellect, not just Xaihi's
  • Combo Skill Cryo Infliction pairs well with Last Rite's kit