I know many of you have thought of this, and some have been informed by their "clever" friends that there is in fact a 4th Attribute or Element; Bio, which is a "curse" or "poison" elemental effect. The name Bio comes from [url=http://en.wikipedia.org/wiki/Bioluminescence]bioluminescence[/url], to which was selected as it is distributor of light, as with the other Elements currently in the game; [url=http://destiny.gamepedia.com/Arc]Arc[/url], [url=http://destiny.gamepedia.com/Solar]Solar[/url], and [url=http://destiny.gamepedia.com/Void]Void[/url].
As this element appears to already be present in the current game as with Thorn and Vex Fanatics, and it would seem by the description and appearance of the Bad Juju, one could conclude that it may in fact be intended to be added at a later time. I would like to believe it would be similar to the "Mark of the Devourer" as seen on Thorn, but it would be more effective and more balanced if the Bio effect had a chance to lower the Defense rating of targets effected. The Thorn would be unique and other Bio weapons could be useful in long term engagements where targets have an intense amount defense.
The reason why it would lowers defense rating instead of causing over time is because Thorn with double the effect and become too powerful for use, and if other weapons had a damaging effect or even a chance to cause it, the Thorn would no longer be unique beyond its appearance and guaranteed damaging effect. Also, I know that no enemy currently uses this element as a shield, but could be added to certain circumstances such as harder raid modes or the dark below.
[b]Feel free to leave a comment, but please refrain from putting any rude comments; I except criticism, so long as it is [u]constructive[/u].
[/b]Other post for new Elemental Effects to come: