Dust Grazer 2014

Each creature within 20' of it when it dies: 14 (4d6) poison and infected with grazer spores disease (DC 14 Con not poisoned or infected). Creatures immune to poisoned condition are immune to this. Until disease is cured creature poisoned and can’t regain hp except magically. Every 24 hrs that elapse target: DC 14 Con save or take 7 (2d6) poison and its hp max is reduced by same. Reduction lasts until target finishes a long rest after disease is cured. Target dies if this reduces its hp max to 0. Two days after creature dies rises as dust grazer of its size growing to Large over the course of a week.