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Hero Dossier

Song of the Siren

Nerissa wields the tides with her haunting Black Swan Elegy, twisting healing into destruction. As she guides allies through treacherous waters, her voice weaves an endless Siren’s Song.
Faction Esoteria Order Esoteria Order
Class Healer
Damage Type Magic
Rarity
Legendary
Summon Type
Normal Summon
Release Date
Last Updated
March 21, 2026
Role & Utility
Single-Target HealAlly BuffTeam ProtectionDefensive Dispel InspirationDMG Reduction
Skill Range
Watcher of Realms Hero Guide

Nerissa

SS 4.2
Nerissa
Hero Dossier

Exclusive Equipment

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

Skills & Talent
Talent

Applies Abyssal Favor to 1 allied hero with the highest ATK in range.

Each Single-Target Heal grants 1 point of Black Pearls.

Additionally, heals 1 allied unit in range.

Ultimate skill

Black Swan Elegy

UltimateManual
Rage Cost
900
Initial Rage
300
Duration
12 sec

When casting the Ultimate, consumes all Atrophy and dispels debuffs from allies in the hero's Basic ATK range and within 1 tile around Abyssal Favor.

When the Ultimate is activated, each Basic ATK now deals 10% M. DMG 30 times to the enemy with the lowest HP in range.

Increases DMG by 20% to enemies with shields.

Cannot gain Black Pearls during the Ultimate.

Level upgrades
  1. Lvl 2

    Increases DMG Dealt to Shielded Enemies by 20%

  2. Lvl 3

    Increases DMG Dealt to Shielded Enemies by 20%

  3. Lvl 4

    DMG Increase +5%

  4. Lvl 5

    Skill Cost -100

Attributes

Basic Attributes

Health (min: 6,597)
11,216 / 12,584
Attack (min: 2,536)
4,649 / 5,711
Defense (min: 543)
835 / 1,828
Magic Resistance (min: 1,275)
2,289 / 2,564
Cost (min: 5)
18 / 18
Block (min: 1)
1 / 1
Redeployment Time (min: 60)
60 / 60

Advanced Attributes

ATK Interval (min: 2)
3 / 6
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: 14)
15 / 18
Rage Regen (Basic ATK) (min: 3)
9 / 10
Rage Regen (Attacked) (min: 6)
6 / 9
Battle Power

Battle Power by Awakening

Base (min: 85,775)
87,627 / 110,632
Awakened 1 (min: 87,484)
88,013 / 112,119
Awakened 2 (min: 89,518)
90,349 / 113,141
Awakened 3 (min: 92,830)
93,035 / 116,203
Awakened 4 (min: 94,074)
94,074 / 117,138
Awakened 5 (min: 95,851)
97,020 / 120,298
Awakenings
Awakening detail

Awakening 1

EVS★★★★★
Key awakening

Increases AoE DMG Reduction from SIren's Song by 10% and expands Abyssal Favor's range to adjacent 2 tiles.

How To Build

Build Details

Recommended stats and pieces for this progression tier.

Lights Grace
2-Piece Gear Set
Lights Grace
Weapon + Breastplate

Set Bonus: Healing Effect +30, Rage Regen +10%

View Details
Weapon Main Stat
ATK
960
ATK Bonus20%
ATK Spd.70
Rage Regen20%
Healing Effect20
Aggression
ATK +400
Breastplate Main Stat
HP
3600
ATK Bonus20%
ATK Spd.70
Flat ATK500
Healing Effect20
Aggression
ATK +400
Wings of Grace
3-Piece Gear Set
Wings of Grace
Bangle + Amulet + Ring

Set Bonus: Healing Effect +30. Increases the ATK of the hero and the ally with the highest ATK in range by 12%.

View Details
Bangle Main Stat
ATK Bonus
60%
ATK Spd.70
Flat ATK500
Healing Effect20
Rage Regen20%
Benediction
When HP is above 50%, increases Healing Effect by 12.
Amulet Main Stat
ATK Bonus
60%
ATK Spd.70
Flat ATK500
Healing Effect20
Rage Regen20%
Benediction
When HP is above 50%, increases Healing Effect by 12.
Ring Main Stat
ATK Bonus
60%
ATK Spd.70
Flat ATK500
Healing Effect20
Rage Regen20%
Benediction
When HP is above 50%, increases Healing Effect by 12.
Euphoric Orb
Artifact
Euphoric Orb
Artifact
View Details

Increase the ATK Spd. of all Heroes in range by 30 every 60 sec, lasting for 40 sec.

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
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