Sejong

Tier VIII | Type: Cruiser
Preceded by	Succeeded by
Harbin	none
Cost	25 000 000
XP Required	300 000

STOCK STATS

Survivability

Hitpoints31 500

Armor6 - 95 mm

Torpedo Damage Reduction19 %

Artillery

Main Battery

127mm/54 Mk.426x2

Firing Range13.7 km

Reload Time5.2 s

180° Turn Time4.5 s

HE Maximum Damage1800

HE Fire Chance9 %

HE Penetration21 mm

AP Maximum Damage2100

Sigma2.0

Torpedoes

533mm Mk314x4

Reload Time139 s

180° Turn Time7.2 s

Maximum Damage17 900

Detectability by Sea0.8 km

Range12 km

Speed67 kn

AA Defense

AA Armament 1

20mm Oerlikon Mk414x1

DPS50

Range2 km

AA Armament 2

20mm Oerlikon Mk206x2

DPS37

Range2 km

AA Armament 3

40mm/56 Bofors Mk.28x4

DPS127

Range3.5 km

AA Armament 4

127mm/54 Mk.426x2

DPS209

Range5.2 km

Maneuverability

Maximum Speed33 kn

Turning Circle Radius670 m

Rudder Shift Time10.8 s

Concealment

Detectability by Sea11.7 km

Detectability by Air7.4 km

Detectability while firing in smoke5.9 km

UPGRADED STATS

Survivability

Hitpoints35 000

Armor6 - 95

Torpedo Damage Reduction0 %

Artillery

Main Battery

127mm/54 Mk.426x2

Firing Range15 km

Reload Time5.2 s

180 Turn Time4.5 s

HE Maximum Damage1800

HE Fire Chance9 %

HE Penetration21 mm

AP Maximum Damage2100

Sigma2.0

Torpedoes

533mm Mk314x4

Reload Time125 s

180° Turn Time7.2 s

Maximum Damage18 567

Detectability by Sea0.8 km

Range12 km

Speed67 kn

AA Defense

AA Armament 1

20mm Oerlikon Mk2020x2

DPS122

Range2 km

AA Armament 2

76.2mm/50 Mk.238x2

DPS166

Range4 km

AA Armament 3

127mm/54 Mk.426x2

DPS209

Range5.2 km

Maneuverability

Maximum Speed33 kn

Turning Circle Radius670 m

Rudder Shift Time7.7 s

Concealment

Detectability by Sea11.7 km

Detectability by Air7.4 km

Detectability while firing in smoke5.9 km

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.


Year of Design: 1944

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.

Modules

	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

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%

Consumables

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

Player Opinion

Performance

Changes

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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