I must have missed when they ported Halo 5 to PC. And As far as Destiny goes, right now all we have are loose rumors. I wouldn't put much stock in those if I were you.
My wife's doctor prescribed her a ointment for neck and knee pain, that cost $30. We just read the ingredients, and active ingredient is CBD, found exact ingredients in another off brand ointment online, for only $8. Our healthcare system at its finest.