eXputer

QuestsupportingSide mission

Avenge the Drowned

An Act Three side quest in the Lower City that begins at the Water Queen's House and leads to Redhammer the Deviser, the operator of the submersible linked to Holli Dylford's death.

RoleInvestigate the death of Waveservant Holli Dylford and decide whether Redhammer the Deviser should be punished or spared.
Statusavailable
Importancesupporting
RewardWavemother's Robe
  • ActAct Three
  • AreaLower City
  • Quest typeSide mission
  • Starting locationWater Queen's House
  • Quest giverFlood Tide Allandra Grey
  • Primary investigationHolli Dylford's death
  • Key locationFlymm’s Cargo
  • Known rewardWavemother's Robe

The source pack does not provide a confirmed mission number, estimated completion time, or objective difficulty.

Key takeaways

Keep the investigation and its linked mission timing in mind before making the final decision.

  • Start at the Water Queen's House Speak with Flood Tide Allandra Grey to begin the investigation into Holli Dylford's death.
  • Search Flymm’s Cargo The trail leads to Flymm’s Cargo and its hidden basement, where the identity of the metal monster becomes clear.
  • Find Redhammer the Deviser Redhammer the Deviser operates the submersible craft connected to the investigation.
  • Decide Redhammer's fate You can kill Redhammer to satisfy the Umberlee priestesses or choose to spare him.
  • Watch the Iron Throne timing Avenge the Drowned is linked to the Iron Throne mission, and delaying or combining decisions can create potential bugs or lockouts.

Avenge the Drowned guide

Avenge the Drowned is an Act Three investigation in Baldur's Gate 3's Lower City, beginning at the Water Queen's House.

The quest starts when you speak with Flood Tide Allandra Grey at the Water Queen's House. Allandra directs attention toward the death of Holli Dylford, a Waveservant whose fate is connected to a mysterious metal monster. The opening conversation establishes the central task: determine what caused the death and identify whoever is responsible.

Following the evidence leads away from the Water Queen's House and toward Flymm’s Cargo. The investigation continues inside the building and then into its hidden basement, where the supposed metal monster is revealed to be a submersible craft rather than an ordinary creature or construct. This location is the key transition from investigation to confrontation.

The person operating the craft is Redhammer the Deviser. Once Redhammer is found, the quest presents a moral decision: kill him to satisfy the Umberlee priestesses or spare him. The Iron Throne mission is linked to this quest, so players should consider the timing of their decisions before committing to the final outcome.

Where this sits

Quest openingWater Queen's House
InvestigationHolli Dylford's death
EvidenceFlymm’s Cargo basement
ConfrontationRedhammer the Deviser
DecisionPunishment or mercy
  1. ●Speak with Flood Tide Allandra GreystartThis conversation at the Water Queen's House starts the quest.
  2. 2Investigate Flymm’s CargoinvestigationSearch the cargo building and locate its hidden basement.
  3. 3Confront Redhammer the DeviserconfrontationThe master of the submersible is found below Flymm’s Cargo.
  4. 4Resolve the requestchoiceChoose whether Redhammer lives or dies.
  5. 5Account for the Iron Thronelinked-missionThe linked mission makes timing an important consideration.

The quest moves from a report at the Water Queen's House to an investigation at Flymm’s Cargo, then ends with a decision involving Redhammer the Deviser.

Requirements

The confirmed starting requirement is access to the Act Three Lower City and the ability to speak with Flood Tide Allandra Grey.

  • RequiredReach Act ThreeAvenge the Drowned is an Act Three quest.
  • RequiredReach the Lower CityThe quest is found in the Lower City, beginning at the Water Queen's House.
  • RequiredSpeak with Flood Tide Allandra GreyAllandra is the character who starts the investigation.
  • RecommendedPlan around the Iron ThroneThis is not stated as a conventional entry requirement, but the linked mission can affect quest timing and outcomes, so treating it as a planning consideration is recommended.

Objectives

  1. Speak with Flood Tide Allandra GreyBegin the quest at the Water Queen's House.
  2. Investigate the death of Holli DylfordFollow the report concerning the Waveservant's death.
  3. Search Flymm’s CargoLook for evidence in the cargo building and its hidden basement.
  4. Identify the metal monsterDetermine what the evidence means and who operates the craft.
  5. Confront Redhammer the DeviserFind the master of the submersible.
  6. Decide Redhammer's fateChoose whether to kill him for the Umberlee priestesses or spare him.
  7. Account for the Iron Throne missionKeep the linked mission's timing in mind when resolving the quest.Optional

WalkthroughSpoilers

  1. 01

    Start Avenge the Drowned

    Speak with Flood Tide Allandra Grey

    Travel to the Water Queen's House in the Lower City and speak with Flood Tide Allandra Grey. Her conversation opens the investigation and points you toward the death of Holli Dylford, a Waveservant whose fate is the reason the quest exists.

    Location: Water Queen's House

    TipIf you are organizing several Lower City objectives, record this conversation before moving on so the quest's investigation lead is not overlooked.

    Checkpoint
  2. 02

    Follow the evidence

    Investigate Holli Dylford's death

    Use the information from Allandra to focus your search on the reported cause of death. The evidence describes a metal monster, but the important distinction is that this description refers to a submersible craft rather than a conventional monster.

    Location: Lower City

    Watch outDo not assume that the metal monster is the final enemy of a standard combat encounter; the clue leads to an investigation site and its operator.

  3. 03

    Find the hidden basement

    Search Flymm’s Cargo

    Go to Flymm’s Cargo and search the building for a way below the main area. The quest specifically points to a hidden basement, so finding the lower section is necessary to continue the investigation rather than stopping after examining the surface location.

    Location: Flymm’s Cargo

    TipSearch for the entrance to the basement instead of treating Flymm’s Cargo as only a clue location. The lower area contains the information needed to identify the craft's master.

    Checkpoint
  4. 04

    Identify Redhammer the Deviser

    Find the submersible and its master

    Continue through the hidden basement until you locate the submersible craft connected to Holli Dylford's death. Its operator is Redhammer the Deviser, who is identified as the master of the craft.

    Location: Flymm’s Cargo hidden basement

    Watch outThe discovery of the submersible changes the quest from a search for an unknown metal monster into a confrontation over Redhammer's responsibility.

  5. 05

    Resolve the moral choice

    Choose Redhammer the Deviser's fate

    Resolve the confrontation with Redhammer the Deviser by choosing whether to kill him or spare him. Killing him satisfies the request of the Umberlee priestesses, while sparing him takes the alternative path described by the quest's moral choice.

    Location: Flymm’s Cargo hidden basement

    Watch outThis decision can interact with the Iron Throne mission. Consider the linked mission's timing before making the choice, because the source material warns of possible bugs or lockouts.

    Checkpoint
  6. 06

    Complete Avenge the Drowned

    Return to the quest's consequences

    After deciding Redhammer's fate, follow through on the resulting relationship with the Umberlee priestesses and the quest's reward path. Siding with Allandra Grey and completing her request typically leads to the Wavemother's Robe.

    Location: Water Queen's House and related Lower City locations

    TipCheck that the quest has resolved before leaving the Lower City objective chain, especially if you are also pursuing the Iron Throne mission.

Mission mechanics

Avenge the Drowned is structured as an investigation rather than a quest built around a named boss fight. The clue about a metal monster is deliberately interpreted through exploration: the relevant discovery is a submersible craft located beneath Flymm’s Cargo, and the person connected to it is Redhammer the Deviser.

The quest's main mechanical concern is sequencing. Because Avenge the Drowned is linked to the Iron Throne mission, the order in which you investigate, travel, and make decisions can matter. The available source material does not establish a universal step-by-step timing rule, so players should avoid treating the two missions as entirely independent.

The final interaction is a consequence-bearing choice rather than a required combat encounter described by the source pack. Killing Redhammer supports the request of the Umberlee priestesses; sparing him preserves the alternative outcome. Completing Allandra Grey's request is associated with the Wavemother's Robe.

What works and what does not

Strengths

  • The quest gives a clear investigation path from the Water Queen's House to Flymm’s Cargo.
  • The metal monster clue resolves into a distinctive submersible-craft discovery rather than an unexplained encounter.
  • The ending gives the player a direct moral choice involving Redhammer the Deviser.
  • The quest is meaningfully connected to the Iron Throne mission instead of existing as an entirely isolated objective.

Weaknesses

  • The linked timing with the Iron Throne mission can create potential bugs or lockouts.
  • The available source material does not establish a complete list of fail-safe checkpoints or all possible outcomes.
  • The quest's combat requirements, if any, are not sufficiently documented in the supplied facts to describe reliably.

Best uses

  • Treat it as a Lower City investigation and complete the evidence trail before judging the final choice.
  • Plan the quest alongside the Iron Throne mission rather than postponing its decision without checking the wider quest state.

Choices and consequencesSpoilers

  • Kill Redhammer the Deviser

    This satisfies the request of the Umberlee priestesses and resolves the quest through the punitive outcome.

    Spoiler
  • Spare Redhammer the Deviser

    This preserves the alternative outcome to the priestesses' request. The supplied source material does not specify every later consequence of sparing him.

    Spoiler
  • Complete Allandra Grey's request while siding with her

    This path typically rewards the player with the Wavemother's Robe.

    Spoiler
  • Resolve the quest without accounting for the Iron Throne mission

    The linked timing can produce potential bugs or lockouts, so this approach is not recommended.

    Spoiler

Checklist

  • Speak with Flood Tide Allandra Grey at the Water Queen's HouseThis is the confirmed quest start.
  • Investigate the death of Holli DylfordThe Waveservant's death is the central case.
  • Search Flymm’s CargoThe investigation continues at this Lower City location.
  • Locate Flymm’s Cargo's hidden basementThe basement is required to find the craft's master.
  • Identify the metal monster as a submersible craftThis is the key interpretation of the evidence.
  • Find Redhammer the DeviserHe operates the submersible.
  • Decide whether to kill or spare RedhammerThe decision determines whether the Umberlee priestesses' request is fulfilled.
  • Check the Iron Throne mission's timingThe source warns of potential bugs or lockouts.
  • Confirm whether the Wavemother's Robe was awardedThe robe is the typical reward when siding with Allandra Grey and completing her request.

Failure conditionsSpoilers

  • Incorrect timing with the Iron Throne missionThe quest is linked to Iron Throne, and the available source material warns that timing decisions can cause potential bugs or lockouts.
  • Leaving the investigation at Flymm’s Cargo's surface levelThe confirmed evidence is in the hidden basement, so failing to search below the cargo building can prevent progress toward Redhammer the Deviser.
  • Choosing to spare RedhammerSparing Redhammer does not satisfy the Umberlee priestesses' request to kill him, although the source pack does not define every later consequence of this choice.

On failure

The source pack does not provide a complete list of reload checkpoints or a definitive universal failure state. Save before major decisions if you are coordinating this quest with the Iron Throne mission.

RewardsSpoilers

  • Wavemother's Robe
    Typically awarded when the player sides with Allandra Grey and completes her request.

AftermathSpoilers

Resolve the linked mission timing before committing

Avenge the Drowned and the Iron Throne mission are connected closely enough that timing can matter. The supplied sources warn about potential bugs or lockouts, so make a save before the Redhammer the Deviser decision and verify that any related Iron Throne objectives you care about are in the intended state.

Trivia

  • The phrase metal monster refers to a submersible craft in this quest, not simply to a hostile creature.
  • The investigation crosses two contrasting spaces: the Water Queen's House, where the death is reported, and the hidden basement beneath Flymm’s Cargo, where the craft's master is found.
  • The quest's final decision is framed around satisfying the Umberlee priestesses or sparing Redhammer the Deviser.

Sources

Relationships

quest progression

  • Iron ThroneLinked missionIts timing can affect Avenge the Drowned and may lead to potential bugs or lockouts.

locations

  • Water Queen's HouseStarts atFlood Tide Allandra Grey gives the quest here.
  • Flymm’s CargoInvestigation siteIts hidden basement contains the submersible and leads to Redhammer the Deviser.

characters

  • Redhammer the DeviserQuest targetThe submersible's master and subject of the final moral choice.

items

  • Wavemother's RobeTypical rewardTypically received when siding with Allandra Grey and completing her request.