15 x Well-tuned throat drill (5 x Hardened Elementium Bar (10 x elementium bar + 4 Volatile earth) + 2x Electrified ether4 x Obsidium bar)

The intention of this guide is to show you the easiest way to go up Engineering from level 450 to 525. Maybe you have not yet uploaded Engineering from 1 to 450, do not forget to visit our Engineering guide to get to the max level before Cataclysm starts. For this we will only use materials obtained through mining or purchased from vendors. We have tried to use as few materials as possible.

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[alert] Whoops! This guide is a bit outdated. We have created a Engineering Guide 1-525 which is up to date (or so we hope). [/ alert]

There is a recipe Handful of Obsidium Bolts (2 x Obsidium bar) that will allow us to quickly reach level 450, so we will start at that level with the other recipes.