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Entu colonies begin their life cycle as a collection of minuscule spores. Over time, the spores fuse together through intricate networks of mycelia that function similarly to neurons, creating sapient and mobile fungal colonies. These structures generate conscious thought and obtain sensory information about the colony’s environment.

In their first weeks of life, entu spores gradually coalesce into amorphous pools of opalescent slime with malleable pseudopod-like organs. At this stage, colonies can communicate telepathically with other creatures using a lexicon of sensory and emotional concepts. Entu colonies can reproduce asexually once they reach maturity, typically six months after they first sprout mycelia. Most of the resulting spores integrate into the parent colony, but some may split off to form a separate colony.

Thought not parasitic, entu colonies feed on emotion and thought. In fact, some seek to consensually merge with other sentient creatures rather than form into full-fledged and independent colonies. Instead of harming their host, an entu fungus’s adaptable cells mimic the host’s brain and nerve tissue.

Their mycelia intertwine with their host’s central nervous system, creating new synapses and enhancing sections of the host’s brain. Despite inhabiting the host’s body, the entu fungus retains a separate consciousness which intertwines with its host through shared functional memories and sensory input. The resultant symbiotic life-form, called an entu symbiote, eventually attains self-awareness, complex thought, and even linguistic ability. Entu integration can sometimes result in entu symbiotes’ offspring already being seeded with the fungal life integrated into their bodies and brains; this development has led to the “uplifting” of entire species of previously non-sapient animals.

The nelentu is a prominent example of a successful symbiosis that spans generations. Originally a species of bat-like animals called neleks, these once unintelligent, fruit-eating creatures encountered entu spores early in their evolution and willingly became their hosts. The two species formed a society based on this symbiosis. Today, nelentus inhabit tiered jungle-cities built around green spaces, known as Gardens of Thought, where they cultivate entu spores for future generations. Nelentus consider themselves to be one species, referring to themselves and other nelentus using plural pronouns in deference to their dual nature.

Entu fungi of all kinds seek constant exposure to emotion and thought to thrive, and those involved with symbiotes prioritize their hosts’ physical needs. They prefer to enter symbiotic relationships with creatures who can benefit from their cellular mimicry, living as long as the host creature does—and dying along with it. Entu colonies, on the other hand, can survive for up to 300 years.

Entu Colony Racial Traits

Ability Adjustments: +2 Int, +2 Cha, –2 Str

Hit Points: 2

Size and Type: Entu colonies are Small oozes.

Amorphous: An entu colony has the amorphous universal creature rule).

Entu Colony Senses: An entu colony has blindsight (emotion) with a range of 60 feet.

Limited Ooze Benefits: Entu colonies gain a +2 racial bonus on saving throws against illusion, paralysis, poison, polymorph, sleep, and stunning effects, unless the effect specifies that it’s effective against oozes.

Limited Telepathy: Entu colonies have limited telepathy with a range of 30 feet.

Tactical Symbiosis: Once per day as a standard action, an entu colony can temporarily merge a portion of themself with a willing non-entu colony creature they’ve telepathically communicated with and can touch. This symbiosis lasts until the beginning of the entu colony’s next turn; during this time the entu colony can’t take any actions but can use each of the following abilities once. A creature can benefit from only one tactical symbiosis at a time.

Cellular Restoration: Restore a number of Hit Points to the host equal to twice the entu colony’s CR or level.

Improve Condition: Grant the host an additional save against an ongoing affliction with a +2 circumstance bonus.

Synaptic Pulse: Grant the host a +2 circumstance bonus to Reflex saves until the entu colony’s next turn.

Entu Symbiote Racial Traits

Ability Adjustments: +2 Int

Hit Points: 4

Size and Type: Entu symbiotes are Small, Medium, or Large animals with the entu symbiote subtype.

Entu Symbiote Senses: An entu symbiote has blindsense (emotion) with a range of 30 feet and low-light vision.

Extrasensory Perception: The mycelia integrated into an entu symbiote’s nervous system allow them to perceive ambient thoughts and emotion. They gain a +2 racial bonus to Perception and Sense Motive checks.

Limited Augmentations: The only augmentations that can be installed in an entu symbiote’s brain are datajacks and the mechanic’s custom rig.

Limited Telepathy: Entu symbiotes have limited telepathy with a range of 30 feet.

Natural Weapons: Entu symbiotes have the natural weapons universal creature rule with a kinetic damage type chosen at character creation.

Symbiotic Enhancement: At character creation, an entu symbiote chooses a fly speed (Ex, average), burrow speed, climb speed, or swim speed, matching thematically the type of animal on which the entu symbiote is based. The entu symbiote has that speed with a value of 20 feet.

Section 15: Copyright Notice

Starfinder Alien Archive 4 © 2020, Paizo Inc.; Authors: Kate Baker, Tineke Bolleman, James Case, Jessica Catalan, JN Childs, Ed Chuck, John Compton, John Curtin, Adam Daigle, Katina Davis, Crystal Frasier, Leo Glass, Basheer Ghouse, Amanda Hamon, Sasha Laranoa Harving, Thurston Hillman, Joan Hong, Jenny Jarzabski, Jason Keeley, Mike Kimmel, Avi Kool, Chris Lambertz, Luis Loza, Ron Lundeen, Carmen Marin, Hilary Moon Murphy, Adrian Ng, Emily Parks, Joe Pasini, Lu Pellazar, Samantha Phelan, Jessica Redekop, James Rodehaver, Simone Sallé, Chris S. Sims, Kendra Leigh Speedling, Owen K.C. Stephens, and Viditya Voleti.