Honestly, the hardest looking achievement out of all of them seems to be the Kill a Titan, Warlock, and Hunter in PVP without dieing.
I'd say 2nd hardest (at least in terms of the fact that it will be time consuming) is equipping either all Legendary or Exotic gear.
3rd hardest might be reaching the highest obtainable Crucible points in a week.
It appears that Dead Ghost are going to be the collectables of the game rather than just random things you find, but that was already pretty much a given. Needing to find 50 of them should be pretty easy, but it probably comes in as the 4th hardest achievement.
Everything else seems pretty easy.
EDIT: Correction, complete a Strike without anyone in your fireteam dieing might be the hardest one of all.
I'm ready to do this one on the first day though, anyone else who is a hardcore achievement hunter like me can feel free to join me.
"Strength of the Pack" / "Raiding Party"
Complete a Strike / Raid with a full fireteam consisting of only your clan members.
Well, we've already done that multiple times teehee.
But everyone should totally join the clan if you haven't already.
http://www.bungie.net/en/Clan/Detail/147052
You must join the group (it is open) AND you must specify whether you will be on the Playstation Clan or the Xbox Clan. Until you specify what platform you are on, you are not officially in the clan and the clan's tag won't appear in your details in-game.
I actually read your post after writing the above Crimmson,
On the game night issue I can change the title once the game rolls out. Or wr can just start a new one if you guys and gals so choose, but what to name it. Reason I ask is that their is multiple clans set up with the 405th name and many others created by members here. We can either choose to band together and have one thread and one clan and keep the thread clean with dates. Or create multiple threads for each clan which will create a bunch of threads and not be cluttered with info from a bunch of clans. This of course if everyone keeps up with the thread in question.
The one I created above already has 14 members, and 10 clanmates on Xbox platforms. It has more members than any of the other similarly named clans, and it is the most recent/fresh of them all. I'd be glad to make anyone administrators if they wanted to be.
It is named "The 405th Halo Costumers"
But In-game it gets shortened to: "The 405th Halo"
which I'll admit is kinda lame.
The most annoying thing is that it won't let you start a clan that begins with a number.
I'd definitely be willing to petition Bungie to alter the restrictions though, or have a name/text field you can change that determines what shows up in-game as your Clan's name.
Zaff, from what I think I know, is that you can be in multiple groups, but only 1 clan at a time. You can switch what clan you are in at any time though (but I'm sure it takes a few minutes to an hour to update what clan you are in).
Demogorgon, I doubt that it will be restricted to your friends list. I doubt that everyone in the raid will need to all be friends with one another. I would bet that all you have to do is just assemble your group while you are all floating in space before going into Raid.
The biggest question will be, can you join back in mid-game if your connection drops, and if someone disconnects in the middle, does that void earning the achievement?