Blade's Edge Bomberman

I just completed this Achievement with 35 seconds left on the clock.

Now, you might be asking "But Kinka, are you a cheater? Or are you just that amazing?"

No to the first and yes to the second, though my being awesome has nothing to do with completing this achievement. That's right! Those of you perpetually plagued with non-awesomeness can still come out on top here! All you have to do is follow my simple program and you too can be an Ace!

Now then...this achievements major stipulation are those dastardly cooldowns on the bombs provided. Not to worry though, as Blizzard did include a way around this! Or maybe it's an oversight...either way, we're going to use that to our advantage because we're just winners like that, right?

Notice that these amazing bombs are a bit unique in their cast features; they can be used on a mount and can be used while moving! That means these can be activated while moving. Far more importantly, these bad boys do NOT trigger a global cooldown and that means you can cast two bombs if done properly! While casting one bomb, you can begin casting a second bomb at the same time! You get two bombs for the price of one cooldown! MADNESS!

If you are quick, you can target a second bomb while the FIRST bomb is "casting," a double-tap if you will. All you have to do is make sure you are in range of two stacks when you use the bomb! Doing it this way gives you ample amounts of time for you to shamble your way there and back! Now, doesn't that feel better, Bomberman?

The timer starts from the moment you accept the quest and stops only when you turn it.

Several tips you may find useful:

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• This achievement is impossible to complete without an epic flying mount.
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• Before you start the quest, fly over the area so that it loads into your cache.
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• Accept the quest and put [Skyguard Bombs] onto your action bar with easily accessible hotkey. After that abandon quest since you already wasted few precious seconds on poking around your inventory (the timer will start over when you re-accept the quest).
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• Go to your achievement frame and turn on tracking for this achievement. It will show you your time ticking out...
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• Use your Crusader Aura / Riding Crop (or similar) trinket if available.
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• Plan your trip over the demon camp so that by the time you bomb your 15th fel cannonball stack you're close to the border of the area and ready to fly back.
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• Make a macro for turning in the quest and put it on your main actionbar: /run SelectGossipActiveQuest(1); CompleteQuest(); GetQuestReward() You'll need to right-click the quest-giver and then quickly press this macro button 3 times.
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• If you ran out of time and didn't get the achievement, just abandon the quest and do it over again.
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Double click trick clarification! Every time you are in range of two bomb targets, do the following:

1. 
   
2. Press your bomb hotkey. (Your cursor becomes a targeting circle.)
3. 
   
4. Click bomb target 1. (A cast bar will start casting.)
5. 
   
6. Press your bomb hotkey again, before the cast bar from step 2 completes. (Your cursor becomes a new targeting circle.)
7. 
   
8. (The cast bar from step 2 probably completes, and the item cooldown is triggered. But this is okay, because you already have a new targeting circle out!)
9. 
   
10. Click bomb target 2. (Congratulations, you have just bombed 2 targets with a single cooldown.)
11. 
    

Thanks to Kinka for the original suggestion, which still works great!