LEGO Reviews Ninjago71846

The Fire Knight Mech

Name: LEGO The Fire Knight Mech 71846
Brand: LEGO
SKU: 71846
Rating: 4.81 (337 reviews)

83 · HIGHLY RECOMMENDEDINVESTMENT GRADE: A2025996 pcsHigh agreement · 95%

Expert reviews

2analyzed

Owner ratings

337

Consensus

BUY

BrickScore

Highly Recommended

Owners

Synthesized Verdict

"Earning a BrickScore of 82.8 and an owner average of 4.81 across 337 ratings, the Fire Knight Mech is a Highly Recommended display-focused Ninjago set with outstanding leg articulation, a genuinely impressive fabric cape, and a build experience that resonates with both kids and adult LEGO collectors."

The 71846 Fire Knight Mech is a visually striking 996-piece Ninjago Legends set built for display with impressive articulation, an intricate fabric cape, and a detailed diorama base. Expert reviews are drawn entirely from LEGO.com owner feedback, but the BrickScore of 82.8 reflects Highly Recommended, and 337 owners average 4.81 out of 5 across all retailers. The set's one notable tension point is a would-recommend signal of only 33% on LEGO.com alongside very high average scores, suggesting LEGO.com's recommendation toggle may not reflect the broader buying population.

Where they split: The main tension here is internal to the owner data: a 4.81 average across 337 ratings sits alongside a 33% would-recommend figure on LEGO.com. This may reflect a sampling artifact from LEGO.com's toggle system, as the overall signals (Amazon 4.80, Target 4.84, Walmart 4.82) all point firmly positive. Reviewer text consistently praises the set, with price being the only consistent criticism.

Where to Buy

Out of stock · 6% off

$112.82

Buy

Target

Out of stock · 5% off

$113.99

Buy

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LOVED (8)

01Fabric cape praised as one of the most intricate and high-quality cloth pieces LEGO has produced, with optional translucent pieces to simulate wind billowing
02Exceptional leg articulation and poseability widely praised as among the best of any LEGO mech
03Mech detaches cleanly from the diorama base for standalone display or use with other sets
04Visual design and scale described as huge and impressive, a great shelf piece
05Build experience described as enjoyable with interesting techniques, particularly for the cape assembly and piston-style leg function
06Exclusive Kai minifigure and exclusive poster included
07Concept art in the instruction booklet appreciated by fans
08Ninjago Legends packaging noted as having a special collector feel compared to regular wave sets

CRITICIZED (5)

01Price of $119.99 noted as slightly high by multiple reviewers, with $100-110 cited as more appropriate
02Finger pieces tend to fall off during posing
03Arm articulation considered less impressive than leg articulation
04Minifig accuracy to the Ninjago Legends cartoon was noted as a small shortcoming by at least one reviewer
05Would-recommend percentage on LEGO.com is an unusual 33%, which sits in tension with the high average scores

What reviewers are saying

"I really enjoyed building this. A top notch mech which shows LEGO is capable of continueous improvement. It is the best mech I have built."

Rebrickable Reviews

"Mechs and dragons are integral to NINJAGO, so launching the display-oriented Legends range with one of each seems appropriate."

Brickset Reviews

Ecosystem

Zane's Titan Mech (set number not specified) — The Fire Knight Mech is slightly shorter but offers comparable size and similarities including the 22390 shoulder part and light bluish grey foot accents. However, Fire Knight has superior poseability with improved ankle engineering: 'The fire knight has an additional rotation in the middle which helps compensate for the 2 degrees of freedom in the hips. This and the improved ankles give it much greater poseability,' though the reviewer notes this is comparing techniques to a mech 5 years old.

Cole's Titan Mech — Cole's mech used dual socket ankles with physical stops to limit poseability; Fire Knight improves upon this with a double barrel axle-slide system, allowing 3 degrees of freedom while maintaining strength.

Guardian Dragon (71847 implied) — Guardian Dragon has a higher parts value at 9cpp vs Fire Knight's 12cpp, but Guardian Dragon is more of a static display model while Fire Knight offers 'the best of both worlds with a stunning display and a playable, poseable mech.'

Fire Stone Mech (2020) — The 2020 Fire Stone Mech was a shared Cole and Kai model, not a dedicated Kai mech, prompting the Fire Knight as a true Kai Titan mech.

NinjagoTier 1Investment Grade

By Reviewer · 2

Avg score

Consensus

BUY

Rebrickable Reviews

Editorial Source

BUY

"I really enjoyed building this. A top notch mech which shows LEGO is capable of continueous improvement. It is the best mech I have built."

Key Pros

✓Top-notch innovative mech build with best poseability of recent NINJAGO mechs
✓Unique double-socket ankle system with adjustable barrel tendon mechanism
✓Stunning display base with sea monster and context

Key Cons

✕Minifig Kai lacks thick coat and broad-rimmed hat from the Monstrosity series
✕Fisherman's narrative role unclear in land of monsters setting

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Brickset Reviews

Editorial Source

WAIT FOR SALE

"Mechs and dragons are integral to NINJAGO, so launching the display-oriented Legends range with one of each seems appropriate."

Key Pros

✓Appealing proportions and colours
✓Excellent articulation
✓Beautiful cape

Key Cons

✕No double-jointed elbows
✕Expensive, especially with the mech displayed alone

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Dimensional Analysis

Investment Layer

Buy now (0)Wait for sale (1)

Exclusivity

Rebrickable Reviews: LEGO Shop exclusive release; limited to Monstrosity series which is specific 2D miniseries content

Brickset Reviews: LEGO Legends range is display-oriented; the exclusive poster is A3 sized and printed on thin paper with fantastic artwork.

Resale

Brickset Reviews: Not explicitly stated, but the reviewer notes it falls slightly short of the premium 71821 Cole's Titan Dragon Mech.

Minifigures & Standout Parts

In this set (2)

Kai - Master of Fire

$34

Fisherman - Sand Green Tunic, Medium Nougat Hair, Conical Hat on Back

$10

Standout parts (per reviewers)

7105 Energy Effect, Flame, Squiggly
New part used as the mech's hair; reviewer states: 'I love the new energy effect used as the "hair". Alphonse would be proud.'
111985pr0001 Cape, Large for Mech, Tethered with Dark Red print
New large tethered cape part unique to this set; reviewer: 'The cape is fabulous! and while Edna may disagree, I think it adds a lot of flair.'
7182pat0002 Weapon Sword, Broad with Pearl Titanium Blade
New printed sword weapon part
22390 Wedge Sloped 45° 6 x 8 with Pointed Cutout in Dark Red
New color use in shoulders; reviewer notes: '22390 for the shoulders is nice given it has been used in other mechs such as Zane's Titan Mech.'
Dark Red recolors of wedges and windscreens
Multiple dark red recolors make sense given the fire theme
Double socket ankle joint system with sliding barrel tendon
Innovative ankle engineering with axle-slide system for improved poseability: 'This ankle uses a double socket system... Being able to change the length of the 'tendon' brings back 3 degrees of freedom to this double socket joint, while retaining some extra strength from the second socket.'

What Owners Say · summarized from 35 written reviews (LEGO, Amazon, Walmart)

Owners overwhelmingly praise this set for its detailed design, excellent build experience, and outstanding display value, though many flag the price as high for a non-licensed theme.

COMMON PRAISE