Although I have both, its still laughing at you subhuman plebeians that do not have Patience and Time.
Those of you with Patience and Time, like myself, this is your moment to bask in the glory of your superiority.
EDIT:
[spoiler]For those of you too slow or mad to figure it out, this post is just to troll you whiners.
If you check my profile you'll see Ive been using Icebreaker the whole time and think both weapons are just fine.
GG.[/spoiler]
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Neither of them are "exotic" because anyone can get them at any time. These is nothing really unique about this game at all (or even rare, for that matter).