Infiltriol Enamel
Magos Genetus Iyrzek (attached to the Mechanicus forces of the Achilus Crusade in the Jericho Reach) synthesised Infiltriol, which takes advantage of the strong scent receptors common in most Tyranids. Infiltriol uses essential pheromones extracted from members of the gaunt genus to mask the bio-signature of the subject receiving an application of this substance. Infiltriol is formulated for the chem-receptors of Hive Fleet Dagon only. It is currently completely unknown how it could be created for other Hive Fleets. When a Space Marine's power armour is treated with Infiltriol enamel, most Tyranid organisms do not recognize him as an enemy. This allows him to walk through areas teeming with brood organisms, relatively unimpeded. However, drawing too close to more intelligent and perceptive species such as synapse creatures or vanguard organisms risks revealing the deception and bringing down the Tyranids' wrath upon the intruder.[1]
The wearer must be inside an environmentally sealed unit (such as Astartes power armour) for the enamel to be effective. While bio-masked, a character does not warrant notice by members of the applicable Hive Fleet, remaining effectively "invisible" as long as he does not approach too close to a Tyranid creature. If the wielder is discovered by any Tyranid creature, or any attack on a member of the Hive Fleet, it automatically reveals the wielder to all Tyranids in sight. Naturally, psi-active Tyranids (such as Hive Tyrants) are rarely fooled by such a deception.[1]
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Sources
- 1: Deathwatch: Rites of Battle, pgs. 145-146
