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Yahagi is a Tier IV Japanese light cruiser with a long-range torpedo battery reaching 12 km. The torpedoes are the threat tool; the guns are how she earns damage between drops. Sonar (3.7 km on ships and 2.7 km on torpedoes, 90 s active, 180 s reload, long uptime) lights up DDs and torpedoes inside its bubble, which lets her contest the cap edge without taking the spotting cycle. AA (231 AA DPS at 3.5 km) is heavy enough to make her the team's air-defense anchor on top of the lead role; CV strikes route around her, not through. Standout traits: best torpedo alpha in T4 CAs (15,933) and top-decile high-arc AP shells in T4 CAs (41.8°).
Sit 10-13 km from a contested cap where an island shadows you from the opposite battleship line. Hydro (3.7 km on ships, 2.7 km on torpedoes) lights up DDs and incoming torpedoes inside its bubble, so you can push the cap edge from cover without taking the spotting cycle; prefer cover positions over open-water flanks. Your guns lose penetration at range, so aim AP at broadsides you can still citadel and put HE into superstructures and upper-hull sections, rather than the bow-in or belt armor your shells bounce and shatter on.
The torps are a threat tool: putting them into a lane forces rotations even when they miss. Drops on probable lanes are worth more than waiting for a guaranteed broadside that never appears.
AP arms at 60% of the standard armor threshold (vs 0.9 default). Lets your AP pen broadsiding cruisers that would over-pen a normal CA, citadel hunts the cohort can't pull off, shared by 4/22 T4 CAs.
+8% speed, 120 s duration. Engine Boost consumable temporarily raises top speed. Mobility on demand to reposition, chase a kill, or break contact, uncommon in T4 CAs.
Yahagi is a Premium ship and not available to unlock in the Tech Tree. Acquisition paths: Containers and Campaign. Container chances are shown as the listed odds of receiving this exact ship, dividing grouped ship-pool odds across the resolved ships and including nested container paths when a crate can drop another crate.
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Where Yahagi sits among Tier IV CAs (22 ships). Notable standouts are shown first; the rest of the cohort-ranked stats are in the expand below. Acquisition variants (Black Friday, Founders Edition) are counted once with their base ship, not as separate peers.
Not standouts for Yahagi -- here's where she sits on every other ranked stat in the cohort. Stats tagged NORM are tied across more than half the cohort, so the value is the cohort default rather than a standout.
Damage Control Party∞ charges · 60 s reload · 5 s active
Sonar2 charges · 180 s reload · 90 s active · 3.72 km ship detect 
Catapult Fighter2 charges · 80 s reload · 90 s active · 5 km patrol radius 
Engine Boost2 charges · 180 s reload · 120 s active · +8% speed bonusAll values are ship base stats with modifications and upgrade changes denoted inline.
Numbers the spec table cannot show directly: alpha-strike math, DPM, dispersion, AP penetration. Click the formula chip on any row to reveal how it is calculated.
Horizontal dispersion ellipse width at max range, from the verified WoWS dispersion model: $\sigma_H = \left(\dfrac{R}{30}\cdot\dfrac{\text{idealRadius}-\text{minRadius}}{\text{idealDistance}} + \text{minRadius}\right)\cdot 30$ $= \left(\dfrac{13507}{30}\cdot\dfrac{8-1.1}{1000} + 1.1\right)\cdot 30 = 126.2\,\text{m}$How wide your shells scatter at 10 km, from the same dispersion model as the max-range figure above. Picking a fixed range makes this number directly comparable from ship to ship: max-range dispersion makes a longer-range gun look worse even when it's tighter at any common range. The interactive Dispersion tab on the Charts card plots the full curve from 0 to max range.Vertical dispersion ellipse height at max range: $\sigma_V = \sigma_H \cdot \text{radiusOnMax}$ $= 126.2 \cdot 0.6 = 75.7\,\text{m}$How tall the same scatter ellipse is at 10 km. Comparable from ship to ship for the same reason as the width value above.50%-hit horizontal radius: $\sigma_{H,50} = \sigma_H \cdot \text{GetHalfHitsRatio}(\sigma)$ $= 126.2 \cdot 0.319\;(\sigma = 2) = 40.3\,\text{m}$50%-hit vertical radius: $\sigma_{V,50} = \sigma_V \cdot \text{GetHalfHitsRatio}(\sigma)$ $= 75.7 \cdot 0.32\;(\sigma = 2) = 24.2\,\text{m}$Canonical community AP formula (jcw780/wows_shell), evaluated at muzzle velocity: $P = 10^{-7}\cdot K \cdot m^{0.69} \cdot d^{-1.07} \cdot v_0^{1.38}$ $= 10^{-7}\cdot 1900 \cdot 45.4^{0.69} \cdot 0.152^{-1.07} \cdot 850^{1.38} = 218.9\,\text{mm}$. Matches the in-game spec card.Same formula at the ship's max firing range (16.9 km), where the shell has slowed to 278.4 m/s: $P = 10^{-7}\cdot 1900 \cdot 45.4^{0.69} \cdot 0.152^{-1.07} \cdot 278.4^{1.38} = 46.9\,\text{mm}$.25 mm ≈ 152 mm caliber / 6 (standard HE penetration ratio).floor(152 mm caliber / 14.3) = 10 mm (AP auto-penetrates plating this thick or less).AP shell over-penetration splash radius; scales with shell mass. Wickes 102mm = 3, standard 152mm CL ~ 20, Iowa 406mm ~ 270, Yamato 460mm = 400, Incomparable 650mm = 550 (max). Larger value = bigger splash damage area when AP over-pens.All 6 barrels bear on the broadside.180 degrees / 6 deg/s traverse speed = 30 s.2,600 HE damage x 6 broadside guns = 15,600.2,900 AP damage x 6 broadside guns = 17,400.15,600 HE full-salvo alpha x 60 / 9 s base reload = 104,000.17,400 AP full-salvo alpha x 60 / 9 s base reload = 116,000.6 broadside guns x 60 / 9 s base reload = 40.40 shells/min x 13% fire chance = 5.2.detectability / (speed kt x 2.6 community game-speed factor).range / (speed kt x 2.6 community game-speed factor).2 launchers x 4 tubes.tube count / 2 (symmetric port/starboard launcher layout; common on cruisers and battleships with deck torpedoes).All tubes hitting one target: tubes x per-torpedo simulated damage = 8 x 15,933 = 127,464.One side firing, all torpedoes hitting: per-side tubes x per-torpedo simulated damage = 4 x 15,933 = 63,732.Sum across every AA aura on this ship of (aura.continuous_damage x 3.5 x aura.hit_probability). Here: (65×3.5×0.85) + (12×3.5×0.9) = 231. Covers AA-only mounts plus dual-purpose secondaries (Bismarck 105mm, USN 5"/38 cruiser secondaries) and dual-purpose main batteries (Sumner-class 5"/38, Akizuki-line 100mm). Formula validated against in-game captures on California, Sumner, Manfred von Richthofen, Dante Alighieri (exact) and within +/-17% on the remaining verified ships.Longest-reaching aura across AA-only + dual-purpose auras.SUM over AA auras of (aura DPS x aura range km). A plane crossing the AA bubble is exposed to each aura for a time proportional to that aura's range, so long-reach DPS is worth more than the same DPS in a short bubble. Units: DPS*km; used to rank overall AA threat across the cohort.Max dispersion = range (km) × 57 + 30. Each dispersion type sets its own slope; this is not a percentage applied to a standard baseline.4 km × 57 + 30 = 258 m.Sum across all secondary families of (per-side barrels × 60 / reload_s × alpha), where per-side barrels = mounts × barrels-per-mount / 2 (the guns that bear on one broadside target). Per-family: 2×2 76.2 mm (2/side) × 60/2.4 × 1300 = 65,000. Assumes every shell hits (real hit rate is lower; the Brawl matchup tool on the Compare page folds in dispersion + target armor).Maximum HE damage per shell across secondary HE families. Best on this ship: 1300 from the 76.2 mm family.Maximum per-shell fire chance across secondary HE families (before target fire resistance is applied). Best on this ship: 4% from the 76.2 mm family.Maximum HE armor penetration across secondary HE families (caliber × 1/6 for most nations; 1/4 for German/UK BBs). Shells whose pen falls under a plate's armor thickness shatter for 0 hull damage though fire chance still applies. Best on this ship: 13 mm from the 76.2 mm family.Hull HP 25,700, distributed across 5 hull zones, each with its own plate thicknesses, saturation cap, and pen thresholds. HP caps are the exact in-game values, not estimated.
Overmatched by 89+ guns across the bracket. Can’t reliably bow-tank; gets bow-citadelled and overpenned.
Thin belt: battleship AP citadels straight through it broadside. Rely on angle, speed and concealment, never sit flat.
Superstructure and extremities take HE pens and AP overpens from nearly any gun: steady chip damage. Fire resistance 17%, fires burn 30s. Range-by-range in the ballistics tool →
| Section | Plates | HP cap | Threats | Tactic |
|---|---|---|---|---|
| Bow | 13 mm primary (range 6–55 mm) | 2,400 (9% of HP) | Overmatched by 203mm+ (Desert Falcon, Baleares)Angle bounces 152mm13 mm: HE pens from 127mm+ | Bow-tank fits behind this exterior plate. Saturation is FAST here; the cap is often only a few thousand HP. |
| Hull (midship) | 16 mm primary (range 16–25 mm) | 19,300 (75% of HP) | Overmatched by 283mm+ (Nassau, Von Der Tann)Angle bounces 203mm16 mm: HE pens from 127mm+ | Largest HP pool. Citadel sits behind these plates; thinner deck and side plating absorb the rest. |
| Stern | 13 mm primary (range 6–30 mm) | 1,400 (5% of HP) | Overmatched by 203mm+ (Desert Falcon, Baleares)Angle bounces 152mm13 mm: HE pens from 127mm+ | Mirror of bow. Same fast saturation. |
| Citadel | 60 mm primary (range 16–60 mm) | ≈ 165,500 (effectively no cap) | Citadel pen: full damageOver-pen: ×0.10 damage | Effectively no cap; citadel pool sits at ~165k HP on every ship. An AP citadel penetration deals the shell's full damage, the biggest single hit available; only over-penetrations are damped, to ×0.10. |
| Superstructure | 10 mm primary (range 10–40 mm) | 1,200 (5% of HP) | Any HE ≥16 mm pens at full damage | Any HE ≥16 mm pens at full damage. HE-spam target, and the section saturates fast (often only a few thousand HP). |
| Turret (module, per magazine) | separate HP pool, does not drain ship HP | 12,900 magazine HP | Magazine detonation1–30% chance · below ~75% HP | Per-turret powder-magazine HP. Detonation chance scales from 1% (no mag damage) to 30% (full mag damage); this range is the in-game value. Detonation can't roll while the ship is above ~75% HP (the standard detonation-protection threshold, not a per-ship stat). Smaller magazines saturate to the 30% ceiling faster. |
| Secondary mount (76.2 mm mount) | separate HP pool, does not drain ship HP | 800 per-mount HP | Destroyed at 0 HP | Per-mount HP for the heaviest secondary on this ship. A mount destroyed at 0 HP is out for the rest of the battle; DCP does not repair destroyed mounts. Smaller (lighter-caliber) secondaries typically share the same HP value. |
| AA mount (25 mm mount) | separate HP pool, does not drain ship HP | 200 per-mount HP | Destroyed at 0 HP | Per-mount HP for the heaviest AA on this ship. An AA mount destroyed at 0 HP stops shooting down planes for the rest of the battle; DCP does not repair destroyed mounts. HE shells specifically target AA mounts since the small-caliber HP pool falls fast. |
| Rudder (module) | separate HP pool, does not drain ship HP | 7,700 module HP | Incapacitated at 0 HP | When module HP reaches 0 the rudder locks at its current angle until DCP repairs it. Repair via Damage Control Party. |
Saturation cap = HP a section can absorb before further damage to it is reduced (the "bow-tank" effect). Citadel pool is ~165k on every ship (effectively no cap); damage is gated by pen/over-pen multipliers instead. Superstructure saturates fast but HE always pens regardless of the plate thickness. Rudder (and other module HPs) are a separate pool from ship HP: damaging a module doesn't drain ship HP. Incapacitated modules like the rudder and engine are restored by DCP, but secondary and AA mounts destroyed at 0 HP stay out for the rest of the battle.
Every custom exterior Yahagi can equip, from in-game data.
GamingDiver has indexed official WG mentions for this ship, but none are focused enough to show as a primary source card here. Low-context list, crate, comparison, or passing mentions are intentionally filtered out.