For those of you who don't know the vex mythoclast and the crux of Croat are random drops from the vault of glass and Croats end in the hard mode difficulty. To complete one of these raids on hard is a huge achievement and deserves rewards. Which around 3/4 of the time you will get something decent. However the vex mythoclast and the crux of Crota are way to rare for something this hard. I have Atheon and Crota countless time and only seen the vex drop once and the crux never. Now the problem with this is that you could be lvl 27 and be carried through vault of glass by lvl 30s+ and get the vex mythoclast on your first try ever and the others might have done it hundreds of times and never got it. Same applies with the crux of Crota. A good way to fix this would be by the more times you did that raid on hard the higher the chance of you getting the respected exotic for that raid are. Thank you for reading and if you can try spread the word of this post so it gets heard.