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评论来自 6934

All you need to do is swim to the entrance to Coilfang Reservoir - tloc 50, 40(swim down about 100 feet). Quest rewards are excellent, especially for the amount of effort required.

评论来自 Annai

Folks need to watch out for the crazy amounts of ravenous fish (forget the actual name) around the shores here. I jumped in the water at the wrong point and was badly mauled. They're like the fish in ZG, only non-elite, but there are *many* of them and can overwhelm you. If you can manage it, get up on one of the pipes and run to the middle to avoid fish.

评论来自 17137

Confirm coords 50,40 "Coilfang Reservoir" its under Orebor Harborage underwater..

评论来自 7599

If you swim through the drain, and go up to the meeting stone, and then accept the quest, and hearth out, then you won't complete it. Be sure to accept the quest before swimming through the drain.

This quest will lead to:
https://www.wowhead.com/tbc/quest=9724

评论来自 25295

It's the drain that leads to the instances in that zone (Underbogs et al). i got to entrance of the sewer pipe and got credit for qwuest immediately.

评论来自 noggtalnivarr

You will get 6gold and 65silver when you complete this quest @ level 70. Not 3g75s like stated above. I have a screenshot to back this up.

评论来自 mcbacon

You can combine this quest with https://www.wowhead.com/tbc/quest=9834

Mobs are all around reservoir.

评论来自 MrWizard

So this quest isn't given to you? You just have to farm for those schematics to key up the quest from this guy "Ysiel"?

评论来自 39479

I got the schematics when I was doing the 'seeds' quest. It came when I was clearing out the umbrafen lake tower

评论来自 39479

It looks like the easiest way into the lake is at 47,35 on the mini island on the NW side of the lake. Just come off the road straight west, around a few slow ogres. and you can drop right into the water. Those lv63 fish are a pita sometimes

评论来自 104398

The quest rewards are fantastic. The quest itself is easy...the problem is making it there. I would suggest...like the others coming from the north..but there are frenzy there too. They are easier to avoid from the north. As a lvl 62 Lock, the frenzies shouldn't be a problem...just get the fish to your voidwalker and then rain of fire em'. Their stamina is very very low. They die quickly with that. I had to use rain of fire twice...as it does get their attention. once you make it to the pumps however..it should be a piece of cake.

评论来自 gratscot

https://www.wowhead.com/tbc/maps=3521:500400

that where it is.

评论来自 113353

i have been there and got the quest complete but when i came back to the lady it said i needed a drain schematics thing can anyone help me?

评论来自 122603

i was completing this quest while i'm about to run the underbog didnt notice till had in a quest log it was completed

评论来自 120665

I had the same problems, and the solution is a bit bittersweet. If you took the quest from her, AND you have the "Drain Schematics", she won't accept it. You need to drop the schematics, abandon quest, and take it again. It's easy and short, so the annoyance was limited. That's how I got around the problem, at least. And for these kinds of rewards, it's definitely worth doing a second time.

评论来自 162032

I went a different route...i went in the water directly behind the east beacon...swam out and found the drain...came back..dived down and mined a adamantite vein and swam back in..no prob...no attacks...on a 63 warrior

评论来自 Allakhazam

I was grinding on Bloodscales when I found the quest. Very easy.

评论来自 Allakhazam

Co-ords are good, 50,40. Just head for the center of the huge Pipe assembly. You'll see it on your map anyway.

评论来自 Allakhazam

ride NE out of zabr'jin to serpent lake swim western edge of lake til you're just NW of the drain co-ords, then swim to drain - rest as listed

评论来自 Allakhazam

Confirmed. Right in the center of Coilfang

评论来自 Allakhazam

Alright, instead of waiting for the Pump Overseers to spawn go ahead and get the schematics when you have the quest "Balance Must Be Preserved". You can use the Ironvine Seeds an infinite amount of times on the same pump. You will therefore have infinite spawns of Pump Overseers and eventually get the Pump Schematics.

评论来自 Allakhazam

Killed the above fella at the pump at Marshlight with 3 different characters and the plans has dropped everytime, very easy quest.

评论来自 Allakhazam

be careful NOT to remove the drain schematics from your bag!

You need it to complete the quest

loc 50.40 is correct

评论来自 Allakhazam

Drain - 50.40

评论来自 Allakhazam

Yeah just go right to the middle of the lake and swim down till it completes quest

评论来自 Allakhazam

I found the drain and it says "Drain Located" in my log, but it doesn't say completed. I can't turn it in to Ysiel. I still have the schematics in my inventory. I'm not sure what I'm missing.

评论来自 Allakhazam

You can find the drain here:
http://mapwow.com/outland/?lng2=-36.61468505859375&lat2=-65.31182925383722&zoom=9
You'll have to swim down a bit to complete the quest.

评论来自 Allakhazam

I've killed tons of naga at level 63 and have yet to see the item that starts this quest drop.

评论来自 Allakhazam

good coords, 50,40 ...just swim towards the white bubbly looking stuff.

if you go in from the NW part of the lake, you only have to deal with the roaming lvl 63 hydra's but if you go in from the southside, you have a bunch of piranah like fish that come at you in mobs.

评论来自 Allakhazam

In the middle of serpent lake. Also the entrance to Coilfang reservoir(slave Pens, Underbog, Steam Vault).

评论来自 Allakhazam

picked this up from a bloodscale and did the quest easy. good loot for a caster.

评论来自 Allakhazam

basically the entrance to underbog.

50 41, underwater of couse =D

评论来自 Allakhazam

near Coilfang Reservoir, you will see the whirlpool produced by the drain, swim there, and you will get the quest completed. Just watch out for hydras and especially, those sick sick evil fish.
Easy quest.

评论来自 Allakhazam

Picked up the Drain Schematics from a Bloodscale Enchantress at 29,44 in Zangarmarsh.

评论来自 Allakhazam

just have to swim into the entrance of CFR

评论来自 Allakhazam

Confirmed

评论来自 Allakhazam

The schematics (quest start drop) do NOT drop from the Umbrafen Pump Overseers

评论来自 Allakhazam

i picked this up and it wouldn't let me start the quest. as others have surely said, make sure you do this one before some of the others

评论来自 Boxofbeer

To complete this quest you need to search Serpent Lake for signs of a drain.

So, to start the quest you need to loot 抽水泵结构图 item from any naga mobs around the area. Usually need to 1-2 kills to obtain this.
There is a large lake named Serpent Lake in the middle of Zangarmarsh. You need to swim to the middle of the lake toward the big metal construction.
There is a passage between the tubes, you need to swim close to count the task. Just beware of angry fishes in the lake, overpulling them may be fatal.

Coordinates (TomTom):

/way 50.22 40.99 Drain location

抽水泵结构图 quest video - https://youtu.be/3sDyYICUe0w

评论来自 holykhaos

As stated in another post, the best way to farm the schematic is be on the Balance Must Be Preserved quest. You can use your Ironvine seed to spawn Steam Pump Operators every 60 seconds. They have the greatest chance of dropping the schematic.

链接

抽水泵结构图

前往毒蛇湖搜寻抽水泵的踪迹，然后向塞纳里奥庇护所的伊谢尔·风歌汇报你的发现。

	抽水泵结构图（已提供）（1）
	探索区（1）
	发现抽水泵（1）

描述

这张结构图上绘制着连接毒蛇湖和邻近湖泊的地下排水系统。

如果图表属实的话，那么毒蛇湖的中心必定有一台巨大的抽水泵。核实这个消息是否属实，然后返回塞纳里奥庇护所复命。

奖励

您能选择下列奖励中的一个：

	远征军施法者指环		沼泽坠饰
	看守者的精准之戒		观察者的警觉披风

您还会收到：

收获

完成任务后，你将获得：

250 点塞纳里奥远征队声望

输入以下代码查看此任务是否已完成

/run print(C_QuestLog.IsQuestFlaggedCompleted(9731))

指南

Alliance Zangarmarsh Leveling Guide for TBCC Horde Zangarmarsh Leveling Guide for TBCC

抽水泵结构图

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