Fourth Sister (Inquisitor) — Star Wars The Black Series #OWK 12

Overview

The Fourth Sister at #OWK 12 is the Mural Collection’s Inquisitor-roster completer — the third live-action Inquisitor character to get a Black Series figure (after Reva at #OWK 03 and the Fifth Brother at #OWK 04), and the figure that finishes building the screen-accurate Inquisitorius lineup the Disney+ series put on screen. Released June 2023 as a single-boxed mainline release. Non-exclusive. MSRP $24.99. Three accessories: a double-bladed lightsaber consisting of one hilt and two removable red blades. Standard 19-joint Phase 4 articulation with butterfly shoulders. The figure that turns three Inquisitors into a credible Inquisitor squad rather than a pair-and-a-leader.

The Inquisitor Squad Question

Building the Mural Collection’s Inquisitor side requires four figures: the Grand Inquisitor at the top of the chain (#OWK 09), Reva as the ambitious junior (#OWK 03), the Fifth Brother as the senior professional (#OWK 04), and the Fourth Sister rounding out the squad (#OWK 12). Until the Fourth Sister’s release in mid-2023, the Mural Collection’s Inquisitor lineup felt incomplete — the Disney+ series shows the Inquisitors operating as a coordinated team during the Tatooine and Daiyu sequences, and a three-figure team without the Fourth Sister missed one of the recurring on-screen presences.

The Fourth Sister figure closes that gap. With all four Inquisitors on the shelf, the Mural Collection’s villain side reads as the working command structure the show depicts rather than as a partial roster. For collectors building Inquisitor displays specifically — the Fortress Inquisitorius shelf, the Tatooine hunt vignette, the briefing-with-Vader scene — the Fourth Sister is the figure that makes the display feel finished.

The Cap and the Kama

Two specific costume design elements distinguish the Fourth Sister from the other Inquisitor figures: the close-fitting cap that wraps around the head, and the waist kama (the ceremonial cloth-and-armour skirt piece that hangs from the belt). Both elements are sculpted as part of the figure rather than added as removable accessories. The cap is integrated into the head sculpt — it cannot be removed — and the kama is its own sculpted piece but cannot be taken off the figure either.

This is the right design decision for both elements. The cap is a defining piece of the character’s silhouette — Fourth Sister is recognisable from her head shape, and a removable cap would have undermined that visual identity. The kama similarly defines the lower-body silhouette and provides the visual mass that distinguishes the Fourth Sister’s costume from the standard Inquisitor uniform. Permanent integration is the screen-accurate choice and the structurally sound choice.

The trade-off: no display flexibility for collectors who want to see the figure without the cap or with an alternate kama configuration. For a character defined by costume specificity, this is a non-issue. For the Mural Collection’s broader engineering language — where most figures have at least some removable element — the Fourth Sister sits on the more locked-in end of the spectrum.

The Lightsaber Configuration

Three accessories total: the double-bladed Inquisitor lightsaber, broken into one hilt and two removable red blades. The lightsaber fits well into both of the figure’s hands, supporting the two-handed wielding pose the Inquisitors use during their spinning-saber attack sequences. Both red blades detach cleanly from the hilt and re-attach without becoming loose. The hilt plugs into a hole sculpted into the back of the figure for the screen-accurate stowed position when the saber is not deployed.

The configuration is identical in design language to the Fifth Brother’s lightsaber (#OWK 04) — single hilt, two removable blades, back-storage point — and simpler than Reva’s modular three-hilt setup (#OWK 03). For collectors building Inquisitor displays, the consistent saber design language across the Inquisitor figures means the squad reads visually unified: every Inquisitor carrying the same signature weapon, with each figure offering the same activation/deactivation display options.

The Outstanding Head Sculpt

Hasbro nailed the head sculpt. The Disney+ series’ Fourth Sister has a specific facial design — distinct from Reva, distinct from the Fifth Brother, distinct from the Grand Inquisitor — and the Black Series figure captures the specifics cleanly. The face shape, the eye placement, the cheekbone structure, the lip and brow detailing all read correctly under display lighting. For an Inquisitor character that gets relatively limited screen time in the show, the figure’s likeness work is more committed than the on-screen budget would have predicted.

One paint complaint flagged by detailed reviewers: the paint application on the face looks pretty shiny in product photography. This reads as glossy or wet under controlled studio lighting and tracks as a minor production-paint issue rather than a deliberate design choice. In person under standard display lighting, the shininess is significantly less noticeable and the face reads correctly. For collectors who care about how the figure photographs versus how it displays, this is worth knowing about — the figure looks better in person than it looks in product shots.

Articulation

19 joints. Ball-jointed top neck, ball-jointed lower neck, butterfly joints in the shoulders, ball-jointed shoulders, ball-jointed elbows, ball-jointed wrists, ball-jointed upper body, ball-jointed hips, swivel thighs, ball-jointed knees, ball-jointed ankles. The butterfly shoulder joints are the upgrade from the standard 17-joint Phase 4 baseline — they let the upper arms move forward independently of the shoulder swivel, supporting the two-handed weapon-cross poses and the spinning-saber dynamic stances that Inquisitor characters require.

This is the same 19-joint configuration that the Jabiim Obi-Wan (#OWK 11) ships with, and similar in articulation count to the Grand Inquisitor (18 joints, #OWK 09). The Mural Collection’s late-2023 figures consistently shipped with the upgraded articulation count, which represents Hasbro’s improvement curve over the Mural Collection’s lifecycle — earlier figures (Wandering Jedi at 17 joints, Vader at 17 joints) used the older baseline, later figures (Reva at 18, Grand Inquisitor at 18, Fourth Sister at 19, Jabiim Obi-Wan at 19) progressively added joints.

The Color Tone and the Costume

The colour tone on the outfit looks good and matches the Disney+ series’ specific Inquisitor uniform palette — the dark grey-black base, the slightly different highlight tones that distinguish the Fourth Sister’s costume from her colleagues. The figure feels very solid in hand, not hollow, and the build quality matches the other Mainline Mural Collection releases. The cap-and-face combination reads as a cohesive single sculpt rather than as separate elements joined together, which is the test the integrated-cap approach needs to pass.

The figure stands well on display without losing balance. For an Inquisitor figure with a cape-equivalent kama element creating some lower-body visual mass, the standing stability matters — figures with prominent skirts or capes can be balance-correction projects, and the Fourth Sister avoids this issue.

The Mural Collection Position

The Fourth Sister sits in the Mural Collection’s Empire/Inquisitor sub-section alongside Vader (#OWK 02), Reva (#OWK 03), the Fifth Brother (#OWK 04), the Grand Inquisitor (#OWK 09), and the Purge Trooper (#OWK 07). Loose, the figure works best as part of a four-Inquisitor display (with the Grand Inquisitor as command, Reva and the Fifth Brother as the senior pair, and the Fourth Sister rounding out the team) or as part of a Vader-and-Inquisitors briefing-room vignette.

For collectors building only the Inquisitor segment of the Mural Collection — Reva, Fifth Brother, Grand Inquisitor, Fourth Sister — the Fourth Sister is the closer of the squad, the figure that makes the lineup feel finished. For the broader Mural Collection display, the Fourth Sister is one of the figures on the Empire side of the boxed mural, opposite the Jedi-aligned figures.

The Show’s Use of the Fourth Sister

The Disney+ Obi-Wan Kenobi series uses the Fourth Sister as one of the standing Inquisitors who appears in multiple episodes in supporting roles — present at the Inquisitorius briefings, deployed during the planet-side hunting sequences, and visible as part of the Inquisitor team across the show’s recurring Empire scenes. The character does not have a major individual arc the way Reva does, and does not have a major individual confrontation the way the Grand Inquisitor does, but functions as part of the visual readout of “the Inquisitorius operates as a team and these are the team members.”

The figure honours that role. Fourth Sister is not designed to be the centre of an Inquisitor display — that’s the Grand Inquisitor’s job — but to be the figure that makes the team feel populated. For collectors who care about the visual completeness of the Inquisitorius rather than about individual character moments, this is the right reading and the right figure for the job.

Secondary Market

Single-boxed mainline release, non-exclusive, June 2023. Available at or near MSRP on the secondary market, with broad retail availability through 2023 and into 2024. Verify both removable red blades are included and the lightsaber hilt is undamaged. Verify the cap-integrated head sculpt is intact and the kama is uncracked. No production variants documented.

Our Verdict

The Fourth Sister at #OWK 12 is the Mural Collection’s Inquisitor-roster completer and a confidently designed figure on its own merits. The head sculpt is among Phase 4’s better Inquisitor likenesses. The integrated cap-and-kama design is the correct approach for the character. The lightsaber configuration matches the Inquisitor signature weapon design language. The 19-joint articulation supports the necessary combat poses. The build quality is solid. The only meaningful complaint is the slightly shiny face paint, which reads less prominent in person than in product photography.

Buy this figure if you are completing the Mural Collection, if you build Inquisitor displays, or if you want the full live-action Inquisitorius lineup at the 6-inch scale. The $24.99 MSRP is fair for what the figure delivers, and the figure has held its value steadily on the secondary market.

The third live-action Inquisitor. The figure that closes the Inquisitorius squad. The cap-and-kama silhouette that defines the character. Buy her. Display her alongside Reva, the Fifth Brother, and the Grand Inquisitor for the complete four-Inquisitor team. The Mural Collection’s villain side reads as a working command structure with the Fourth Sister included, and unfinished without her.

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Part of Star Wars The Black Series | Phase 4 Obi-Wan Kenobi Mural Collection. Related: Reva (Third Sister) P4-OWK-03 | Fifth Brother (Inquisitor) P4-OWK-04 | Grand Inquisitor P4-OWK-09.