That's disgusting.

Overview Image Gallery

Centinels[1] are Creatures of Grimm that resemble large centipedes. They were first seen in the Volume 7 Trailer and made their debut in "Ace Operatives".


Centinels have long, black segmented bodies. Each segment has a pair of clawed legs and is covered by a protective shell. Their heads have no eyes but possess large jaws. Inside their jaws, they have four small claws.

When injured, they sometimes "bleed" their bright green acid.

The Centinels are shown being able to grow into monstrous sizes as seen in "Midnight", where they were comparable in length to the base of Atlas' shield generators which are massive in size.


Centinels makes their debut in "Ace Operatives", where a swarm of the Grimm attack Team RWBY, JNPR, and the Ace Operatives in the Schnee Dust Company Mine 2.

They return in "Fault", when Yang Xiao Long, Jaune Arc, and Lie Ren chase after The Hound and Oscar Pine. The Grimm summons help, calling forth a swarm of Centinels and Teryxes.

In "Midnight, a group of Centinels spawn from the Grimm Liquid used to pierce through Atlas' Hard-Light shields. They then proceed to destroy the generators disabling the shields, allowing Salem to land Monstra on the island.

During the Battle of Atlas, multiple Centinels were created by Salem to fight the Atlas Military. A few more Centinels attacked Schnee Manor and were killed by Weiss Schnee and Blake Belladonna in "Dark".

Powers and Abilities

Centinels can burrow through rock and coil themselves together when attacking, moving at fast speeds. They can rotate their sections to burrow like a drill. Centinels can spit a bright green acid, which is able to corrode and melt through steel.

Centinels are described as not exactly being dangerous Grimm, thought they are annoying creatures to hunt down due to the sheer numbers they travel in, thus making Huntsmen avoid bounty missions on the Grimm, as a result making their rewards be disproportionately large compared to the difficulty ranking.[2]


  • The name "Centinel" combines the words Sentinel and Centipede.
  • It was stated at RTX that Grimm on the icy continent of Solitas are based on prehistoric and ice age animals[3]. With this in mind, the Centinel is possibly based on the Arthropleura, a prehistoric millipede from the late Carboniferous Period which was able to grow up to 2.50 meters long.
  • These creatures were designed by artist Aromie "Inkyou24" Kim, who also designed the Manticore Grimm.[4]
  • The Alpha variant of the Centinel was intended to make an appearance in "Ace Operatives" as an extended fight scene, but its scenes were cut from the final version of the episode. They have implied that we would see the alpha variant in the future.[5]
    • Although it is unknown whether they have a connection to a similar Grimm, the Cenitaur, the Centinels are shown to have a near identical segmented body and can similarly spit acid like the aforementioned species.
  • RWBY: Amity Arena Card Bio:

    The Centinel Grimm aren't so much dangerous as they are terrifying and annoying. For Huntsmen and Huntresses that get an eradication order, it takes them ages to locate every single one, while enduring pop out scares from the floor, walls, and ceilings.

    We can safely say that bounty missions on this Grimm is one of the least popular, so the rewards have to be disproportionately large compared to the difficulty ranking.

    "That's... disgusting." -Yang


  1. NYCC 2019 Thurs - Live Stage
  2. RWBY: Amity Arena Centinel Card Bio
  3. RTX 2019 RWBY Panel
  4. Inkyou24's Twitter
  5. RWBY Volume 7 Director's Commentary – Chapter 3
Minor Combatants