Exocrine. Material: Plastic. Factions: Xenos Armies. (Unpainted) (Assembled) -- In the ever-escalating battles of the Warhammer 40,000 universe, few adversaries can match the Exocrine’s ability to dominate both from a distance and in close combat. This living weapon of the Tyranid forces is a testament to the astonishing bioengineering prowess of the Hive Mind.