Rooter is a Codex entry featured in Tom Clancy's Rainbow Six Extraction. It is unlocked by completing the Rooter Vulnerability Study in the Alaska Region.
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INDEX Analysis:
The Rooter is a predominantly quadrupedal Archæan. Observational studies indicate sentry-like behavior. Actively seeks out threats within biome. (QUERY: hunter, "curiosity?")
Attacks in close-quarters with carapace-hardened appendages. Capable of projecting viscous tendrils of Sprawl along the ground. Glutinous properties will hinder Operator movement. Mechanism undefined.
EXTRAPOLATIONS:
Theorizing on nature of Rooter tendrils: Contact with tendrils will immobilize and cause damage. Reports suggest attempt to penetrate the target's armor. Possibly an attempt to feed off and/or infect target (QUERY: haustorium). (INSERT: Finka - Interesting theory. Some fungi and parasitic plants absorb water and nutrients this way.)
ENGAGEMENT PROTOCOLS:
Avoid remaining in one spot when engaging a Rooter. If trapped by the tendrils, firing at the Rooter will force it to retract them.
The rear of the Rooter's head is especially susceptible to damage (QUERY: Weak Point).