Ultrakill Brutal Sandstorm Challenge [ 7-2 ] 

1. buffs forcesand on
2. Get S Rank on Time, Kill, Style
3. Kill every enemies in the level including secret ones
4. Your HP will decrease 2 every second
i almost forgot about this channel wtf. all of this videos are already recorded, so it is pre-patch.
anyway, we finally have full arsenal. too bad there is only few levels left.
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