Getting straight to my point, I think that the spike grenade is by far the worse grenade in this entire game. -Its extremely slow -Has a pitiful duration -Disgraceful damage -Extremely obvious At most it serves as an entertaining light show at the end of a match when you are simply waiting for the game to end. Out of my experience I've seen that grenade used only in the very first months of vanilla Destiny, and anyone who is aware of the meta of crucible doesn't seem to use it. Not once have I seen it used in trials. I am not saying that it's nearly non existent use in end game crucible is proof of it's lack luster properties but a indication. Alternatively the Nightstalker could receive the suppressor grenade from the Defender subclass which I feel would work more with the new void hunter class "crowd control" like appearance. Please Bungie, reconsider this choice, seeing how TTK isn't out yet I know it is very possible to make this minor tweak to the new expansion.