Smoke

Use this ability no more than once per hour.
When you use this ability, you throw a smoke
bomb on the ground near your feet, releasing
a plume of smoke that obscures the area in a
ten-foot cube around you for one combat
round or 10 seconds. Any units outside the cube
cannot see you unless they roll a full success on
a BRAINS check. If you attempt to move outside
the plume of smoke, roll GRACE. On a partial
success, you remain hidden. On a full success,
your next attack or spell deals additi