Solo MSK No HUD

Ayyy I thought about this challenge a while ago, thought that it will be hard as hell, but it actually took 2 or 3 tries! As you can see I managed to solo MSK with no HUD (Head-up display) - that means NO crosshair, HP bar, current inventory, ammount of ammo I have and so on. I was very surprised with my aim even without crosshair, thank god that crystals and miniboss hitboxes are that big :D Well, it was a fun challenge and I enjoyed it, first one after small break because of Frostnite :) As usual, any ide