TheWoWDBBlackrock Caverns
Ascendant Lord Obsidius Guide
Ascendant Lord Obsidius in Blackrock Caverns, quoted from the Adventure Guide. Database holds the raw abilities and the full loot table.
Boss abilities
| Ability | Adventure Guide | Notes |
|---|---|---|
| Transformation | When Ascendant Lord Obsidius reaches 69% and 34% of his remaining health, he will randomly target one of the Shadows of Obsidius and jump into it. This results in Obsidius and the Shadow switching places. | |
| Stone Blow | ||
| Twilight Corruption | ||
| Thunderclap | ||
| Twitchy | Shadows of Obsidius will attack the enemy who has most recently generated threat, instead of the enemy with the greatest amount of threat. | |
| Crepuscular Veil | This effect stacks up to 4 times. |
Loot
Every name is a TheWoWDB item page. Hover the row for the first-party tooltip.
Amber MessengerAmber Messenger
Carrier Wave PendantCarrier Wave Pendant
Clutches of Dying LightClutches of Dying Light
Crepuscular ShieldCrepuscular Shield
Kyrstel MantleKyrstel Mantle
Raz's PauldronsRaz's Pauldrons
Twitching ShadowsTwitching Shadows
Willowy CrownWillowy Crown
Witching HourglassWitching HourglassMounts, toys, achievements, transmog
Only rows the journal loot table or an achievement title can prove for this encounter.
Achievements
Entrance and instance
Blackrock Caverns is a dungeon in the Adventure Guide. See the Blackrock Caverns database page and located in Blackrock Mountain 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 Ascendant Lord Obsidius?
The Adventure Guide entry for Ascendant Lord Obsidius is on this page, quoted from the game files.
What does Ascendant Lord Obsidius drop?
The Adventure Guide lists 18 drops. Each name links to its TheWoWDB item page. The full table also lives on the Blackrock Caverns database page.
Where is Blackrock Caverns?
The journal places Blackrock Caverns in Blackrock Mountain.
Does Ascendant Lord Obsidius 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.