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This is one of the upgrade items for the iLevel 640 epic goggles that engineers can make and use.

*UPDATE for June 23, 2015* - 불안정한 모르덴의 놀라운 장치 and 불안정한 오글소프의 8각형 렌즈 can no longer be crafted. Pre-patch 6.2 upgrade items (created before the patch) can be deconstructed to create the following:

Item	Deconstructs to:
불안정한 윤활고리 잠금톱니	윤활고리 잠금톱니 + 15 X 마술의 불
불안정한 모르덴의 놀라운 장치	윤활고리 잠금톱니 + 25 X 마술의 공기
불안정한 오글소프의 8각형 렌즈	윤활고리 잠금톱니 + 25 X 마술의 물

As of 6.2, the new initial upgrade item will be 윤활고리 잠금톱니 (used for any and all upgrades until Stage 4). The upgrade items required for each stage is listed below:
Stage 1 to 2 (Item level 640 to 655) - 윤활고리 잠금톱니
Stage 2 to 3 (Item level 655 to 670) - 윤활고리 잠금톱니
Stage 3 to 4 (Item level 670 to 685) - 윤활고리 잠금톱니
Stage 4 to 5 (Item level 685 to 700) - 양방향 증기 제거기
Stage 5 to 6 (Item level 700 to 715) - 청외선 차단 렌즈

**Note that 3 separate 윤활고리 잠금톱니 items are required to get from Stage 1 to Stage 4.**

Notes about the upgrade items:

The upgrade items themselves are BoE and can be traded or sold on the Auction House
They can be used by anyone (not just engineers)
Using an upgrade item on gear will NOT bind it to you if it is not already bound to you
The upgrade item will NOT change the combination or proportion of stats on the item (e.g. if non-upgraded version has versatility and haste, the upgraded item will also have versatility and haste, just more of each stat)
These items can be used on gear that is already equipped
These upgrade items are exclusively crafted by Engineers - you cannot craft them as a non-Engineer, even with the Engineering Works building in your garrison
The 야만의 피 used for upgrades to Stage 2, 3 and 4 are obtained from the Garrison Barn, crafted by alchemists as a daily cooldown, or purchased from "칭찬쟁이" 사즈셀 스틱키핑거 (H)/애쉴리 제렙 (A) in your garrison for 25 원시 영혼 each
The 지옥오염물 used for upgrades to Stage 5 and 6 are obtained from mining, herb gathering, skinning, or fishing in Tanaan Jungle

Item

Materials

Schematic

윤활고리 잠금톱니	70 X 치차용수철 부품 15 X 마술의 불 15 X 야만의 피	설계도: 윤활고리 잠금톱니, sold in: - Warspear (닉 스틸링스) - Stormshield (션 캐치폴) - Vendor in Garrison Engineering Works building Cost: 5 드레노어 기계공학의 비밀
양방향 증기 제거기	175 X 치차용수철 부품 30 X 마술의 물 30 X 지옥오염물	설계도: 양방향 증기 제거기, sold by the Ore Trader visitor in your garrison - 알렉시 해커캠 (A) or 트릭시 볼트 (H). Note that you have a 1/5 chance of having a tradeskill vendor in your garrison every day, and there is a set rotation of tradeskill visitors from day to day (between herb, fur, leather, ore and dust). The easiest way to find this vendor is to use the Group Finder under Custom Premade Groups on the day that the Ore Trader is active. Cost: 60 검은바위 광석
청외선 차단 렌즈	350 X 치차용수철 부품 60 X 마술의 물 60 X 지옥오염물	설계도: 청외선 차단 렌즈, sold by the Ore Trader visitor in your garrison - 알렉시 해커캠 (A) or 트릭시 볼트 (H). Note that you have a 1/5 chance of having a tradeskill vendor in your garrison every day, and there is a set rotation of tradeskill visitors from day to day (between herb, fur, leather, ore and dust). The easiest way to find this vendor is to use the Group Finder under Custom Premade Groups on the day that the Ore Trader is active. Cost: 60 검은바위 광석

This brings the total cost of upgrading the goggles (from Stage 1 to 6) to:
735 X 치차용수철 부품 (Not including 100 X 치차용수철 부품 to craft the goggles)
45 X 마술의 불
90 X 마술의 물
90 X 지옥오염물
45 X 야만의 피

The versions of the goggles are as follows:
Cloth: 플라스마 기계안경
Leather: 야간투시 기계안경
Mail: 가상공학 기계안경
Plate: 칼날방어 기계안경

Notes about the goggles:

They are BoE and can be sold on the Auction House or traded
They require Engineering at skill level 600 or higher to use
They can be equipped at Level 91
The goggles require 100 치차용수철 부품 to craft
One of the primary stats (Intellect, Agility or Strength) will change with based on spec - as such a single helm can be used in multiple specs (e.g. between Elemental and Enhancement shaman specs)
The helmet will be crafted with +93-139 each of two random secondary stats (chosen out of Critical Strike, Haste, Mastery, Versatility or Multistrike)
The secondary stats can be re-rolled (randomly reselected) using the consumable item 디디의 섬세한 조립품 (1 item required per re-roll)
The quantity of secondary stats when crafted is random as well (e.g. one item may have +133 crit and +104 haste, while another of the same type may have +130 crit and +110 haste)
The on-use effect will zoom into the distance, allowing you see distant objects/people. The effect has no cooldown, and is cancelled by moving or right-clicking the buff
The goggles count towards 1 of the 3 maximum Warlords of Draenor crafted items that you can have equipped at one time