World of Warcraft: Classic Cataclysm will soon reintroduce players to the cataclysmic reshaping of Azeroth, marking the beginning of a new era in Classic WoW with its massive Phase 1.
This initial phase of content sets the stage for the adventures and challenges that lie ahead in the reimagined world. it introduces players to the expansion’s new and updated zones, new races, and sets the tone with a massive selection of exciting raids and dungeons to kick things off.
With that, here are all of the WoW Classic Cataclysm Phase 1 raids and dungeons, and the bosses we’ll fight within them when we return.
WoW Classic Cataclysm Phase 1 Raids

Blackwing Descent
Blackwing Descent is a raid instance that serves as a major part of Cataclysm’s Phase 1 content, featuring six bosses. Located in the depths of Blackrock Mountain, it continues the story of the Black Dragonflight with Nefarian and his experiments. Players must navigate through complex mechanics and challenging encounters, culminating in a showdown with Nefarian himself.
Bosses:
- Omnotron Defense System
- Magmaw
- Atramedes
- Chimaeron
- Maloriak
- Nefarian
The Bastion of Twilight
Located in the Twilight Highlands, The Bastion of Twilight is a raid instance with five bosses, including the Twilight Council and Cho’gall. It offers a diverse set of encounters that test players’ abilities to adapt to different mechanics. The raid concludes with a battle against Sinestra in the heroic difficulty, a secret boss that provides an additional challenge for experienced players.
Bosses:
- Halfus Wyrmbreaker
- Valiona and Theralion
- Twilight Ascendant Council
- Cho’Gall
- Sinestra (optional)
Throne of the Four Winds
Throne of the Four Winds is a unique raid situated in the Skywall, the domain of the Wind Elemental Lord, Al’Akir. This raid consists of two main encounters: the Conclave of Wind, a fight against three elemental lords that must be defeated simultaneously, and Al’Akir himself. The raid emphasizes movement and coordination, as players navigate platforms suspended in the air.
Bosses:
- The Conclave of Wind
- Al’Akir
WoW Classic Cataclysm Phase 1 Dungeons

Blackrock Caverns
Blackrock Caverns, located within Blackrock Mountain, is a dungeon with five bosses. It introduces players to the basic mechanics of Cataclysm dungeons, including the importance of interrupting casts and managing crowd control.
Bosses:
- Rom’ogg Bonecrusher
- Corla, Herald of Twilight
- Karsh Steelbender
- Beauty
- Ascendant Lord Obsidius
Throne of the Tides
Set in the Abyssal Maw, Throne of the Tides features four bosses and showcases the game’s water-themed environments. Players must contend with the naga and their allies, navigating through underwater sections and dealing with unique mechanics like tidal waves.
Bosses:
- Lady Naz’jar
- Commander Ulthok
- Mindbender Ghur’sha
- Ozumat
The Stonecore
Located in Deepholm, The Stonecore offers a challenging environment with four bosses. This dungeon emphasizes the importance of spatial awareness, with mechanics requiring players to dodge falling rocks and navigate through narrow corridors.
Bosses:
- Corborus
- Slabhide
- Ozruk
- High Priestess Azil
The Vortex Pinnacle
Situated in the Skywall, The Vortex Pinnacle is an airy dungeon with three bosses that test players’ ability to deal with environmental hazards, such as wind currents that can either aid or hinder progress.
Bosses:
- Grand Vizier Ertan
- Altairus
- Asaas, Caliph of Zephyrs
Grim Batol
Grim Batol, found in the Twilight Highlands, is a dungeon with four bosses. It combines traditional dungeon mechanics with a unique dragon-riding segment, where players can bomb enemies from above before engaging in ground combat.
Phase 1 of WoW Classic Cataclysm provides a solid foundation for players to start their journey in the reshaped world of Azeroth. With a mix of challenging dungeons and raids, it sets the tone for the adventures and trials that await in the phases to come.
Bosses:
- General Umbriss
- Forgemaster Throngus
- Drahga Shadowburner
- Erudax, the Duke of Below


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