Destiny
60 Achievements
1,500
310-400h
Blink of an Eye
Kill 5 enemies in 3 seconds.
20
55.12%
How to unlock the Blink of an Eye achievement in Destiny - Definitive Guide
When your ghost opens up the door run up the stairs and you should encounter an enemy named "Thrall" now these things are real easy to kill and can be taken down in a single shot if you aim for the head. I personally had 4 spawn on me then headshot the closest hive enemy shooting at me and got it. They will also spawn in groups with around 3-4 in them when you get to the Wizard you face just after this encounter :)
Another great spot is the mission "The Last Array" as at the end of the mission you have to hold out against waves of hive enemeys which will include plenty of thrall to kill. This is also a good spot to get the 25 precision kills without dying achievement, just watch our for the wizard & the knights.
Incase you are still unsure, there is a video guide below (credit to NE0182) on how to get the achievement on the third mission. :)
This can be done very early on in the game, i did it on the 3rd Mission on Earth.
Get chased by some thrall, head near the Acolyte and use your Super Charge Ability, make sure you have 5 Enemies!
This is the easiest way to do it in my opinion but the Titans ability is another good choice, Hunter though is NOT recommended.
Just some more help on how to get this, using the Titans ability to smash the ground will help a ton to get this achievement. Possibly the easiest method. Video done by PowerPyx.
However, you'll be able to get it just a couple of levels later with a bit more ease. On the "The Dark Within" mission, you'll come to your first encounter with the Hive. Even if you don't unlock it the first time through, you can return here later with better equipment to unlock this pretty easily.
It can also be done pretty easily at the end of the mission "The Last Array". You'll be attacked by waves of Hive. The Thrall are pretty easy targets.
Or you could forget all of that as you'll almost certainly just unlock it through regular play.
Using the Warlock or Titan special ability will be the easiest way to unlock this achievement. Find a group of weak enemies (such as a group of Thralls, or a group of Hive during the "Last Array" story mission), throw a grenade at them, and activate your special ability (when "Super Charged" press RB+LB at the same time) at the same time. If you didn't get five somehow, starting shooting at other enemies in the area right after to try and hit the magic number.
This may be one of the first trophies that you acquire, without even trying. Killing five enemies very quickly is pretty easy and you will probably do it without even trying for it. It is doable in the tutorial, but there are several early places where you can easily get this. At the end of the mission Restoration, there is a room full of Fallen that will be there before the boss appears. This same room in Patrol is also always full of approximately 10 Fallen enemies. In the mission The Dark Within, the area in which you first encounter the Hive has enough enemies that run straight at you (Thralls).