KayBuild and Guide

Introduction

Kay is a 5★ character from the
Fire element and
Knight class. The character's position on the battlefield is
Front.

To learn more about Kay check the sections below. Use the tabs to quickly switch to the kind of information you're looking for.

Profile

Review

Build

Lore

Stats

DEF

Magic ATK

Melee ATK

Ranged ATK

Skills

Skill 1

Inferno Awakening (Ultimate)

[Effect: Apply Buff]

Target: Self
Change Appearance: Transform into a figure specialized for battles.
Duration: 10 Second(s)
At the end of the effect: Activate Active Skill - Burn to Ashes.

[Burn to Ashes - Active Skill]

[Damage Dealt]

Inflict damage equal to 1120% of Attack.

[Target]

All Enemies

[Cooldown]

30 Second(s)

Skill 2

Determination (Active Skill)

[Description]

Kay's Critical Hit Rate and Critical Damage are increased (up to 2 stacks). While the Ultimate is active, initiating a basic attack reduces the cooldown of Active Skill - Determination by 3s.

[Target]

Self

[Effect: Apply Buff]

Attribute Stack: Per stack
Effect: Critical Hit Chance + 12%, Critical Damage +16% (Max 2 stacks)
Duration: 10 Second(s)

[Cooldown]

10 Second(s)

Skill 3

Charge (Passive)

[Effect 1: Apply Buff]

Target: Self
Effect: Melee Attack +32%.

[Effect 2: Apply Buff]

Target: Self
Effect: Ignore Damage Reduction +32%.

Skill 4

Immortality (Passive)

[Effect 1: Apply Buff]

Activation Condition: At the Brink of Death
Target: Self
Damage Immunity: Become immune to damage.
Duration: 5 Second(s)
Spell Element: Cannot be removed.

[Effect 2: Immortality]

Activation Condition: At the Brink of Death
Target: Self
Effect: Prevents death when receiving fatal damage.

[Cooldown]

60 Second(s)

Dupes

Transcendence 1

Attack, Defense, HP increases 20%.

Transcendence 2

Attack, Defense, HP increases 10% (30% Total).

Transcendence 3

Attack, Defense, HP increases 10% (40% Total). Skill Level +1.

Transcendence 4

Attack, Defense, HP increases 10% (50% Total).

Transcendence 5

Attack, Defense, HP increases 10% (60% Total). Skill Level +1.

Awakening

Awakening - Attack, Defense, HP increases by 20% (80% Total).

Ratings

Damage dealer

PVE Early

PVE Late

Raids

PVP

Tank

PVE Early

PVE Late

Raids

S+

PVP

Review

June 2025

Kay is one of 2 units currently with an Install-type Ultimate. Her Ultimate sheds her armor in favour of a form suited to all out offense, greatly increasing her attack speed and hit count significantly. At the end of the Ultimate Duration she attacks with “Burn to Ashes!”, which inflicts huge damage to all enemies. Her Active Skill grants a Critical Hit Rate and Crit Damage buff which can stack twice. Her Charge Passive increases her own Melee Attack and her attacks ignore Enemy Damage Reduction buffs, whereas her Immortality Passive prevents Death and makes her Immune to damage for a duration when receiving Fatal damage.

Kay is the 3rd best tank behind Galahad and Lancelot, and brings high DPS carry potential on top of her natural bulk and Resist Death Passive. Given sufficient investment, Kay paired with the infamous Ran Card + Life Contract combo was the backbone for many content pushers early into service, her fire typing holding her in good stead against the many Nature type enemies early game. Currently in late game, she is still one of the stronger Fire type DPS for the Arachne boss fight and comes in as a substitute for Galahad against Nature heavy levels. The advent of the Knight buffer Dian Cecht also breathed new life into her longevity.

Kay’s carry potential lives and dies by how much investment you can put into her, but her typing and defensive kit makes her an excellent complementary tank to have in your roster.

Kay’s Card Flame Emperor is primarily used by Healers and can be used by Wizards. It increases the user's Attack Speed by up to 15% for a duration. Its Stat Line provides Attack.

Attack Speed and Raw Attack increase combination is always a welcome choice on Healers and it can be used as temporary measure on Wizards, if lacking better alternatives.

Pros & Cons

Pros

Complements Galahad as a Tank by covering for her weaknesses
Can also carry given sufficient investment, essentially a One Man Army.

Cons

Requires dupe investment to function as a Carry.

Best Substats

Weapon: Attack %, Critical Damage. Critical Damage > Attack % if Dian Cecht is in the team.
Armor: Defense% > Critical Hit Resistances
Accessory: HP%
Rune: Critical Damage/ HP% if focus on tanking
Specialities: Attack%/ Critical Damage

Dupes Information

Dupe Priority - Transcend > Card
Recommended Transcend - Transcend 5 / Awakened

Skill Priority

Passive 2 > Passive 1 > Active = Ultimate

Synergies

Dian Cecht - A Must have if you intend to use her as a carry. Provides massive Attack % and Additional Damage buff on top of free Critical Damage, Damage Reduction, Shield and Heals.

Cards

Moonlight Swordplay (Ran) - Kay’s dual role as a Tank and DPS means she abuses the heck out of this card’s Counterattack Passive. If paired with a character carrying Life Contract, Kay’s DPS can skyrocket in mob heavy maps.
Lingering Allure (Anessa) - General purpose Melee DPS card with a party wide attack buff.
Manager's Dignity (Enya) - Free attack speed and Additional Damage is beneficial for her since a good amount of her sustained damage comes from her normal attacks.

Comments

If none of the above is available, any Card that provides Melee Damage, Attack Speed, Critical Hit Rate, Crit Damage and Additional Damage works.

Lore

Age

Height

174 cm

Weight

55kg

Sizes

B98H-W58-H97

Birthday

9/15

Hobby

Nationality

Stateless

Place

Backstory

Gifts

Favorite Gifts

Cupid Teddy Bear, Notebook, Lunchbox, Fourleaf Clover