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! This is a rare creature/object. It may only be scanned in one or few encounters.

Boss slench3
Samus faces off against Slench 3
Featured in Metroid Prime: Hunters
Location Celestial Archives
Vesper Defense Outpost
Attacks Green venom torpedoes, various energy based attacks, eyeball ram (versions 3 and 4)
Weakness Energy Blasters, eyeball.
Reward(s) Octolith

The Slench is an Alimbic mechanoid, similar to the Cretaphid, that Samus must fight at the end of four areas of Metroid Prime: Hunters.

There are four different Slench units, each resembling a giant robotic eyeball. Each consists of two forms, A and B. Each Slench is invincible during its "A" form, and is attached to a wall (or ceiling, in Slench 4's case) by three tentacles that power the energy blasters used to attack Samus. After the synapses take enough damage, the Slench becomes aggravated and detaches from the wall; it is vulnerable in this "B" form, although it continues to attack Samus.

Each Slench resides in one of the various Biodefense Chamber B rooms in the Stronghold Void.


Slench 1Edit

Boss slench1

Slench 1 with its eye shield

Slench 1 is the first version of the Slench. Slench 1 is a shielded sphere with a venom torpedo projector on the front of it, giving the Slench an eyeball-like appearance. The Slench 1 is attached to the biodefense wall and fits into a socket on it; this socket generates the defensive shield surrounding the main part of the Slench 1 (Slench 1A). While the Slench is attached to the biodefense wall, three power synapses extend from the socket and power three deuterium laser turrets on the wall. To deactivate the shield, Samus must shoot the three synapses until they retract, although they will regenerate after a short period of time if the others have not been retracted as well. Once all three synapses retract, the Slench 1 detaches from the wall (now Slench 1B), making it vulnerable to weapons fire, and making its attacks faster and more powerful. The Slench 1 returns to the wall after a certain amount of time has passed or it takes a certain amount of damage. After three of these sequences, the Slench 1 is destroyed, and Samus gains the second Octolith.

Logbook entriesEdit

Slench 2Edit

Slench 2 uses superheated magma attacks capable of lighting Samus on fire, similar to the Magmaul. As a result, its synapses are vulnerable only to the cold of the Judicator. While attached to the wall, it also shoots green venom homing torpedoes. In its B form, it hovers around the room and shoots more magma.

Logbook entriesEdit

Slench 3Edit

Slench 3 is the third version of the Slench. Its tentacles are only vulnerable to the Battlehammer. In its B form, in addition to firing at Samus, the Slench uses a powerful new attack where it begins to shake and then rams Samus, dealing heavy damage. This Slench is linked to the Celestial Archives, and fires Volt Driver charge shots.

Logbook entriesEdit

Slench 4Edit

Slench 4

Samus faces the final Slench.

Slench 4 is the final Slench that Samus faces. Rather than being attached to the wall, this version of the Slench is on the ceiling during the 4A phase. The energy blasters fire Judicator shots, which can freeze Samus, and the Slench's tentacles are only affected by the Magmaul. Before it levitates, it falls to the floor and rolls around, dealing heavy damage if it hits. When it finally levitates like the others, it uses freezing Judicator shots as well as the same ram attack used by Slench 3B. Its eye is most vulnerable to the Magmaul.

Logbook entriesEdit


  • After one third of the Slench 1's health bar is depleted, a glitch may cause it to extend only two tentacles into the wall as opposed to three. This can happen up to twice during the fight.
  • The battle mechanism of the Slench being an eyeball only vulnerable when the eye is shot is similar to the Gadora.
  • The sound effect of shooting Slench A is similar to the sound of Han Solo's Blaster firing.

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