Dust devil

(a pinch of dust)
Make a dustdevil in a 5ft cube. Creature ending
turn in it makes Str save. On failed, 1d8 bludg
damage and pushed 10ft, on save half and not
pushed. Bonus action to move it, if it moves
over sand, dust, loose dirt or gravel it sucks it
up, 10ft heavily obscured debris cloud until
next turn.
At higher level
Damage increases by 1d8 for each slot level
above 2nd.