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Hero Dossier

The Beast's Bane

Kai employs his massive crossbow to disguise his true mastery of tactics. By strategically utilizing terrains and traps, he not only provides considerable DMG output but also controls the battlefield with remarkable effects.
Faction Star Piercers Star Piercers
Class Marksman
Damage Type Piercing
Rarity
Legendary
Summon Type
Normal Summon
Release Date
Global launch hero · OG roster
Last Updated
March 6, 2026
Role & Utility
AoE P. ATKRange BoostAlly Buff Defense DownImmobilized State
Skill Range
Watcher of Realms Hero Guide

Kai

S+ 3.6
Kai
Hero Dossier

Exclusive Equipment

Hero- and faction-specific artifacts and gear available to Kai.

Skills & Talent
Talent

Places 1 Wyrm Snare on a random adjacent tile every 15 sec.

The snare lasts at most 30 sec, dealing 25% extra DMG to enemies inflicted with Immobilized State.

Ultimate skill

Doomsday Cluster

UltimateManual
Rage Cost
900
Initial Rage
500

Launches a Cluster Projectile at the farthest 1 enemy in range, causing an explosive impact upon contact.

The explosion deals 400% AoE DMG to up to 10 nearby enemies and releases 3 small bombs.

Each small bomb flies towards 1 nearby enemy, dealing 150% AoE DMG to up to 5 nearby enemies.

The Cluster Projectile can trigger every Wyrm Snare within the blast radius in advance.

Level upgrades
  1. Lvl 2

    Cluster Projectile DMG +150%

  2. Lvl 3

    Skill Cost -100

  3. Lvl 4

    Small Bomb DMG +50%

  4. Lvl 5

    Skill Cost -100

Attributes

Basic Attributes

Health (min: 6,482)
11,164 / 15,952
Attack (min: 2,123)
4,017 / 4,992
Defense (min: 106)
597 / 1,144
Magic Resistance (min: 81)
871 / 1,177
Cost (min: 10)
22 / 23
Block (min: 1)
1 / 2
Redeployment Time (min: 40)
60 / 60

Advanced Attributes

ATK Interval (min: 2)
3.5 / 5
ATK Spd. (min: 100)
100 / 100
Crit. Rate (min: 0)
0 / 0
Crit. DMG (min: 150)
150 / 150
Healing Effect (min: 0)
0 / 0
Rage Regen (min: 0)
0 / 0
Rage Regen (Auto) (min: 4)
14 / 14
Rage Regen (Basic ATK) (min: 9)
10 / 20
Rage Regen (Attacked) (min: 5)
6 / 7
Battle Power

Battle Power by Awakening

Base (min: 88,788)
100,749 / 115,043
Awakened 1 (min: 89,313)
101,922 / 116,486
Awakened 2 (min: 91,685)
102,728 / 119,535
Awakened 3 (min: 93,263)
105,000 / 122,331
Awakened 4 (min: 93,789)
105,880 / 123,413
Awakened 5 (min: 95,103)
108,372 / 126,479
Awakenings
Awakening detail

Awakening 3

EVS★★★★★
Key awakening

Each Cluster Projectile launched by Doomsday Cluster releases up to 3 extra small bombs after the explosion.

How To Build

Build Details

Recommended stats and pieces for this progression tier.

Wicked Vengeance
2-Piece Gear Set
Wicked Vengeance
Weapon + Breastplate

Set Bonus: Crit. DMG +40%, ATK +10%

View Details
Weapon Main Stat
ATK
960
ATK Bonus25%
Crit. Rate25%
Crit. DMG35%
ATK Spd.70
Aggression
ATK +400
Breastplate Main Stat
HP
3600
ATK Bonus25%
Crit. DMG35%
ATK Spd.70
Flat ATK500
Aggression
ATK +400
Cataclysm
3-Piece Gear Set
Cataclysm
Bangle + Amulet + Ring

Set Bonus: Upon landing a Crit. Hit with Basic ATK, increases the hero’s DMG by 10% for 5 sec, stacking up to 5 times.

View Details
Bangle Main Stat
ATK Bonus
60%
Crit. Rate25%
Crit. DMG35%
ATK Spd.70
Flat ATK500
Aggression
ATK +400
Amulet Main Stat
ATK Bonus
60%
Crit. Rate25%
Crit. DMG35%
ATK Spd.70
Flat ATK500
Kai's Amulet
Kai deals 12% more DMG to targets beyond 1 tile.
Aggression
ATK +400
Ring Main Stat
ATK Bonus
60%
Crit. Rate25%
Crit. DMG35%
ATK Spd.70
Flat ATK500
Aggression
ATK +400
Sharpshooter Crest
Artifact
Sharpshooter Crest
Artifact
View Details

When there is no adjacent enemies, AoE DMG is increased by 30%.

Ratings

Ratings

Stage Average: ★★★★★

Drakes Chasm

Foras Belial
★★★★★
Sauryan Grimmscale
★★★★★

Titanic Ruins

Semrah
★★★★★
Zerbus
★★★★★

Arena

Anti-Air
★★★★★
Single Target
★★★★★
AoE DPS
★★★★★

Gear Raids

Gear Raid 1
★★★★★
Gear Raid 2
★★★★★
Gear Raid 3
★★★★★
Gear Dungeon 1
★★★★★
Gear Dungeon 2
★★★★★

Other Raids

Artifact Material Raid
★★★★★
Promotion Raid
★★★★★
Resource Raid
★★★★★
Faction Trials
★★★★★
Tide
★★★★★
Void Rift
★★★★★
Tower of Deception
★★★★★

Malrik Trials

The Black Sewer
★★★★★
Heart of the Volcano
★★★★★

Immortal Codex

Hellfire Emperor
★★★★★
Arbiter of Frost
★★★★★
Conqueror
★★★★★
Wasteland Titan
★★★★★
Lord of Styx
★★★★★
The Furious Torrent
★★★★★
Phantasmal Nightmare
★★★★★
Mother of Crows
★★★★★
Videos
TheProspector’s Guides
Videos from Prospector: Watcher of Realms related to Kai.
Community Guides
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