Blood Rush

Choose a point you can see within range. You turn to bloody mist and teleport to that spot. When you do so, you take 1d4 necrotic damage. If you would move through a creature moving from your point of origin to your destination, each creature in that line must succeed on a Constitution saving throw or take 1d8 necrotic damage. The damage you take increases by 1d4 and the damage dealt increases by 1d8 at 5th level, and again at 11th level, and 17th level.