TheWoWDBThe Arcatraz
Harbinger Skyriss Guide
Harbinger Skyriss in The Arcatraz, quoted from the Adventure Guide. Database holds the raw abilities and the full loot table.
30-second TL;DR
Adventure Guide says
- Stages named in the Adventure Guide: First Prison Cell, Second Prison Cell, Third Prison Cell, Fourth Prison Cell, Final Prison Cell.
Encounter phases
Adventure Guide says
- First Prison Cell When Warden Mellichar enters combat, he opens the first prison cell, releasing either a Blazing Trickster or a Phase-Hunter.
- Second Prison Cell Shortly after unlocking the first prison cell, Warden Mellichar unlocks the second prison cell, releasing Millhouse Manastorm.
- Third Prison Cell Immediately after realizing that the second prison cell only contains Millhouse Manastorm, Warden Mellichar unlocks the third prison cell containing either a Sulfuron Magma-Thrower or an Akkiris Lightning-Waker.
- Fourth Prison Cell Shortly after unlocking the third prison cell, Warden Mellichar unlocks the fourth prison cell containing either a Blackwing Drakonaar or a Twilight Drakonaar.
- Final Prison Cell
Boss abilities
| Ability | Adventure Guide | Notes |
|---|---|---|
| Firebolt | ||
| Fire Shield | ||
| Warp | Phase-Hunter warps behind a player. | |
| Phase Burst | ||
| Back Attack | Phase-Hunter inflicts additional Physical damage when attacking players from behind. | |
| Rain of Fire | ||
| Magma-Thrower's Curse | ||
| Shadow Bolt | Sulfuron Magma-Thrower hurls a bolt of dark magic at a player, inflicting Shadow damage. | |
| Lightning Jump | ||
| Lightning Discharge | ||
| Spell Shock | Akkiris Lightning-Waker counters a player's spell, preventing them from casting that spell again for 6 sec. | |
| Magic Grounding | ||
| Brood Power: Black | Blackwing Drakonaar deals Fire damage to all players in front of it. | |
| Mortal Strike | ||
| Blast Wave | ||
| Brood Power: Green | Twilight Drakonaar stuns all players in front of it for 1 sec. | |
| Brood Power: Blue | ||
| Brood Power: Bronze | ||
| Brood Power: Red | Twilight Drakonaar burns all players in front of it, inflicting Fire damage every second for 5 sec. | |
| Mind Rend | ||
| Fear | Harbinger Skyriss strikes fear in a player, causing them to flee in terror for 4 sec. | |
| Domination | Harbinger Skyriss takes control of a player, causing them to fight their allies for 6 sec. | |
| Mana Burn | Harbinger Skyriss burns a player's mana, inflicting Shadow damage for each point of mana consumed. | |
| Harbinger's Illusion | When Harbinger Skryiss reaches 66% and 33% remaining health, he creates an illusion of himself. The illusion of Harbinger Skyriss uses Mind Rend to assault players. |
Loot
Every name is a TheWoWDB item page. Hover the row for the first-party tooltip.
Belt of Depravity
Bracers of Dignity
Shadowstep Striders
Vileblade of the BetrayerBelt of DepravityBracers of Dignity
Breastplate of the BoldBreastplate of the Bold
Choker of Fluid ThoughtChoker of Fluid Thought
Elementium Band of the SentryElementium Band of the Sentry
Lamp of Peaceful RadianceLamp of Peaceful RadianceShadowstep Striders
Shiffar's Nexus-HornShiffar's Nexus-Horn
Sigil-Laced BootsSigil-Laced Boots
Tidefury ChestpieceTidefury ChestpieceVileblade of the BetrayerMounts, toys, achievements, transmog
Only rows the journal loot table or an achievement title can prove for this encounter.
Item sets and transmog
Assassination Armor · Bold Armor · Doomplate Battlegear · Hallowed Raiment · Oblivion Raiment · Tidefury Raiment
Achievements
Entrance and instance
The Arcatraz is a dungeon in the Adventure Guide. See the The Arcatraz database page for the raw journal, map, and loot grid. This guide does not invent coordinates or a walking path.
Related bosses
Player strategy
This page quotes the Adventure Guide. It does not add player strategy such as positioning, assignments, stack or spread calls, or cooldown timings unless that sentence is already in the journal.
Questions
What does the Adventure Guide say about Harbinger Skyriss?
Stages named in the Adventure Guide: First Prison Cell, Second Prison Cell, Third Prison Cell, Fourth Prison Cell, Final Prison Cell.
What does Harbinger Skyriss drop?
The Adventure Guide lists 22 drops. Each name links to its TheWoWDB item page. The full table also lives on the The Arcatraz database page.
Does Harbinger Skyriss change on Heroic or Mythic?
The current Adventure Guide text for this encounter does not include separate Heroic or Mythic sentences we can quote. If a later client build adds them, they appear here automatically.
Where does this guide's text come from?
Quoted Adventure Guide sections come from TheWoWDB's retail datamine (client build 12.1.0.69587, ingested 2026-09-01). Player strategy such as positioning, assignments, and cooldown timings is omitted unless that sentence is already in the journal.
Source and build
This page quotes the Adventure Guide. It does not add player strategy such as positioning, assignments, stack or spread calls, or cooldown timings unless that sentence is already in the journal. Quoted sections come from TheWoWDB Adventure Guide datamine (client build 12.1.0.69587, ingested 2026-09-01). Ability names link to first-party spell pages. When a newer retail build is ingested, this page updates with it.