Sejong

Ship Overview

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 Sejong — Pan‑Asian • Tech Tree • Tier VIII • Cruiser.

A variant of the light cruiser project developed by the United States during World War II, armed with 127 mm dual-purpose guns of a new generation.

 Navy: ASIA
 Ship: Pan‑Asian
 Nation: Pan‑Asia
 Categoy: Tech Tree

 Tier: VIII
 Class: Cruiser
 Cost: 25 000 000
 XP: 300 000

 Year of Design: 1944
 Predecessor: Harbin
 Successors: Jinan

━━ Ship Traits ━━

Repeater: Equipped or can be equipped with Torpedo Reload Booster.

Deep Water: Deepwater torpedoes are harder to spot, but cannot hit destroyers.

Modest Guns: The ship is armed with low-caliber main battery guns.

Ship Stats

Survivability

SURVIVBILITY	STOCK	UPGRADED
• Hitpoints	31 500	35 000
• Armor (mm)	6 - 95	-
• Torpedo Damage Reduction (%)	19	0

Maneuverability

MANEUVERABILITY	STOCK	UPGRADED
• Maximum Speed (kn)	33	33
• Turning Circle Radius (m)	670	670
• Rudder Shift Time (sec)	10.8	7.7

Concealment

CONCEALMENT	STOCK	UPGRADED
• Detectability by Sea (km)	11.7	-
• Detectability by Air (km)	7.4	-
• Detectability while firing in smoke (km)	5.9	-

Torpedos

TORPEDOS	STOCK	UPGRADED
• Name	533mm Mk31	533mm Mk31
• Arrangement	4x4	4x4
• Reload Time (sec)	139	125
• 180° Turn Time (sec)	7.2	7.2
• Maximum Damage	17 900	18 567
• Detectability by Sea (km)	0.8	0.8
• Range (km)	12	12
• Speed (kn)	67	67

Main Artillery

MAIN BATTERY	STOCK	UPGRADED
• Main Artillery Name	127mm/54 Mk.42	127mm/54 Mk.42
• Main Artillery Arrangement	6x2	6x2
• Firing Range (km)	13.7	15
• Reload Time (sec)	5.2	5.2
• 180° Turn Time (sec)	4.5	4.5
• HE Maximum Damage	1800	1800
• HE Fire Chance (%)	9	9
• HE Penetration (mm)	21	21
• AP Maximum Damage	2100	2100
• Sigma	2.0	-

Anti-Aircraft Artillery

AA ARMAMENT 1	STOCK	UPGRADED
• Name	20mm Oerlikon Mk4	20mm Oerlikon Mk20
• Arrangement	14x1	20x2
• DPS	50	122
• Range (km)	2	2
AA ARMAMENT 2	STOCK	UPGRADED
• Name	20mm Oerlikon Mk20	76.2mm/50 Mk.23
• Arrangement	6x2	8x2
• DPS	37	166
• Range (km)	2	4
AA ARMAMENT 3	STOCK	UPGRADED
• Name	40mm/56 Bofors Mk.2	127mm/54 Mk.42
• Arrangement	8x4	6x2
• DPS	127	209
• Range (km)	3.5	5.2
AA ARMAMENT 4	STOCK	UPGRADED
• Name	127mm/54 Mk.42	-
• Arrangement	6x2	-
• DPS	209	-
• Range (km)	5.2	-

Modules, Modifications & Consumables

Modules

Cruiser - Sejong

	Hit Points	Min Armor (mm)	Max Armor (mm)	Torpedo Damage Reduction (%)	Main Battery Turrets	Torpedo Launchers	Rudder Shift (s)	Purchase Price
Stock	31 500	6	95	19	6x2	4	10.8	0
Hull B	35 000	6	95	0	6x2	4	7.7	5 000 000

	Turret Arrangement	Reload Time (s)	180° Turn Time (s)	Max HE Damage	HE Fire Chance (%)	Max AP Damage
127mm/54 Mk.42	6x2	5.2	4.5	1800	9	2100
127mm/54 Mk.42	6x2	5.2	4.5	1800	9	2100

	Firing Range Increase (%)	Main Battery Firing Range	Purchase Price
Stock	0 %	13.7 km	0
Targeting System Mk IX mod. 2	10 %	15 km	625 000

	Launcher Arrangement	Reload Time (s)	180° Turn Time (s)	Max Damage	Range	Speed	Detection	Purchase Price
533mm Mk31	4x4	139s	7.2s	17 900	12	67	0.8	0
533mm Mk31	4x4	125s	7.2s	18 567	12	67	0.8	625 000

	Maximum Speed
Stock	33 kn

Modifications

Cruiser - Sejong

SLOT 1	Main Battery Mod 2 Main Battery traverse speed +20%	Aiming Systems Mod 1 Dispersion of Main Battery -7% Torpedo tubes traverse speed +20% Secondary Battery firing range +5% Dispersion of secondary battery -5%	AA Guns Mod 2 AA guns firing range +20%
SLOT 2	Damage Control System Mod 2 Fire duration -15% Flood duration -15%	Steering Gears Mod 2 Rudder shift time -20%	Propulsion Mod 2 Time taken to reach full power when accelerating -50%
SLOT 3	Concealment System Mod 1 Detectability range -10% Incoming fire dispersion +5%	Target Acquisition System Mod 1 Spotting Range +20% Torpedo visibility range +20% Range of Guaranteed Acquisition of ships +50%	Steering Gears Mod 3 Rudder shift time -40% Steering gear repair time -80%
SLOT 4	Main Battery Mod 3 Main battery reload time -10% Main battery traverse speed -15%	Torpedo Tube Mod 3 Torpedo tubes reload -15% Risk of torpedo tubes becoming incapacitated +50%	Gun Fire Control System Mod 2 Dispersion of Main Battery -3% Range of main guns +5%	AA Guns Mod 3 Average AA damage +25% Cooldown time for all consumables -10%

Consumables

Cruiser - Sejong

Damage Control Party

Accelerates repairs to damage modules, firefighting efforts and recovery from flooding.

Duration: 5s Reload time: 60s The number of consumables is unlimited

Smoke Generator

Generates a smoke screen behind the ship that reduces the risk of being detected by the enemy.

Duration: 30s Dispersion time: 70s Reload time: 130s Number of consumables: 3

Repair Party

Partially restores the ship's HP by repairing light damage.

HP per second: +175 Duration: 28s Reload time: 80s Number of consumables: 2

Torpedo Reload Booster

Reduces the reload time of torpedo launchers.

Torpedo launchers reload time: 8s Duration: 1s Reload time: 300s Number of consumables: 2

Defensive AA Fire

Increases the efficiency of AA fire.

Average AA damage: +200% Duration: 40s Reload time: 150s Number of consumables: 2

Community Contributions

Changes

Cruiser - Sejong

Always Courageous

• Main battery reload time reduced from 5.5 s to 5.2 s
• Stock hull HP increased from 28 800 to 29 600

• Bow HP increased from 800 to 900
• Casemate HP increased from 3400 to 3500
• Hull HP increased from 21 600 to 22 200
• Magazine HP increased from 14 400 to 14 800
• Steering Gear HP increased from 8600 to 8900

• Upgraded Hull HP increased from 29 800 to 32 000

• Casemate HP increased from 3500 to 3700
• Superstructure HP increased from 2900 to 3000
• Stern HP increased from 1700 to 1800
• Hull HP increased from 22 400 to 24 000
• Magazine HP increased from 14 900 to 16 000
• Steering Gear HP increased from 8900 to 9600

The Stars Align

• Credit-earning rate reduced by 5%

Glimpse Into the Future

• Detectability range for both stock and upgraded hull reduced:

• Detectability range by sea reduced from 12.05 km to 11.68 km
• Detectability range by air reduced from 7.59 km to 7.36 km
• Detectability range by sea while firing in smoke reduced from 6.2 km to 5.9 km

• Stock hull total health increased from 29 600 to 31 500

• Stock hull casemate HP increased from 3500 to 3700
• Stock hull superstructure HP increased from 2900 to 3100
• Stock hull stern HP increased from 1600 to 1700
• Stock hull HP increased from 22 200 to 23 600
• Stock hull steering gear HP increased from 8900 to 9500
• Stock hull magazine HP increased from 14 800 to 15 800

• Upgraded hull total HP increased from 32 000 to 35 000

• Upgraded hull bow HP increased from 900 to 1000
• Upgraded hull casemate HP increased from 3700 to 4100
• Upgraded hull superstructure HP increased from 3200 to 3500
• Upgraded hull stern HP increased from 1800 to 1900
• Upgraded hull HP increased from 24 000 to 26 300
• Upgraded hull steering gear HP increased from 9600 to 10 500
• Upgraded hull magazine HP increased from 16 000 to 17 500

• Engine HP increased from 29 800 to 35 000

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