In TBC Classic, if you want to defeat those iconic TBC Classic Gold bosses to get the desired loot, then the Arcatraz Dungeon is your best choice. For those players who reach level 70, Arcatraz is one of the most popular destinations.
Not only that, those top players usually choose to complete the dungeon to get attuned to the Karazhan raid. Each dungeon has some connection with a specific raid, which is very common in World of Warcraft TBC Classic, and the Arcatraz dungeon is one of them. The most important thing is that you do not need to reach level 70 before starting the quest chain, which means you can complete all related tasks while leveling. This is an important reason why the Arcatraz attunement process is popular with players.
If you want to exclude Rogues when forming a team, then you need to follow the detailed steps described below to obtain the key to open the Arcatraz dungeon. If you just want to enter Arcatraz, then a Rogue player with 350 points in the Lockpicking skill can easily do this.

Steps to get the key and unlock the Arcatraz：
To begin the Arcatraz attunement process, obtain the primary necessary quest, "Consortium Crystal Collection," from Nether-Stalker Khay'ji in Area 52.
Complete the initial quest chain until you decide up "Rightful Repossession," which sends you to Eco-Dome Midrealm.
From there, head to Stormspire and speak with Nexus-Prince Haramad to start out the subsequent a part of the attunement chain.
The Nexus-Prince at Stormspire will send you to a few different "Triangulation Points" in Netherstorm. you will have to use the Triangulation Device given to you by the Nexus-Prince to require readings at different locations throughout the zone.
At the third and final Triangulation Point, you will have to defeat a Dreadlord named Culuthas and loot his Ata'mal Crystal. Return it to Nexus-Prince Haramad at Stormspire to maneuver on with the attunement process.
Once Culuthas is defeated and therefore the Ata'mal Crystal has been acquired, you'll have to form your thanks to Shattrath City to drop off the crystal.
A'dal within the center of Shattrath will offer you the search "How to interrupt into the Arcatraz," which needs you to secure two key fragments from the ultimate bosses of the Mechanar and Botanica dungeons.
Complete the Mechanar and Botanica, and convey the 2 key fragments you collected from the dungeons back to A'dal in Shattrath. You'll then be rewarded with the key to the Arcatraz.

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