Type 91 Armor Piercing Shell

[Edit] Type 91 Armor Piercing Shell No.36 九一式徹甲弾
Armor Piercing Shell Effects: +8 +1 Scrap value: 3 9 (Buildable)
Refittable Ship Types
Fast Battleship	Battleship
Aviation Battleship	Standard Aircraft Carrier
Armored Carrier	Light Carrier
Heavy Cruiser	Aviation Cruiser
Light Cruiser	Torpedo Cruiser
Training Cruiser	Destroyer
Coastal Defense Ship	Submarine
Aircraft Carrying Submarine	Seaplane Tender
Fleet Oiler	Submarine Tender
Repair Ship	Amphibious Assault Ship

Mechanics

AP Shells are mainly used for increasing the general damage potential of batleships, with further bonuses for Artillery Spotting and Special Attacks.

• They also play some Anti-Installation role, notably against "Hard-Skinned Installations".

Notes

How To Obtain

Buildable

From quest: B129 (x2, choice)

From limited-time quest: SB41 (x3, choice)

Uses

Used to improve: Type 91 Armor Piercing Shell, Type 1 Armor Piercing Shell

Used by quest: Fm3

Updates History

• 2013-04-23: Implemented with initial game release
• 2014-07-28: Became possible to equip on FBB
• 2014-10-10: Armor-Piercing Modifier added
• 2015-01-23: Became improvable and upgradeable to Type 1 Armor Piercing Shell

Improvement

Type 91 Armor Piercing Shell
Improvement			→	Conversion
★ Improvement Level	0~5	6~9		Type 1 Armor Piercing Shell
Consumed	2/3	3/5		6/9
Consumed	1/1	1/2		4/9
Equipment Consumed	-			x3
Items Consumed	-			-
Resources	30 150 310 10

Ship Helper	Conversion
Hiei	Type 1 Armor Piercing Shell
Mon		Tue	Wed	Thu	Fri	Sat	Sun
Hiei Kai Ni/C
Mon	Tue	Wed	Thu	Fri	Sat	Sun
Kirishima/Kai/Ni
Mon	Tue	Wed	Thu	Fri	Sat	Sun

Improvement effects
	1★	2★	3★	4★	5★	6★	7★	8★	9★	Max★
	1.00	1.41	1.73	2.00	2.23	2.44	2.64	2.82	3.00	3.16
	1.00	1.41	1.73	2.00	2.23	2.44	2.64	2.82	3.00	3.16
Day	1.00	1.41	1.73	2.00	2.23	2.44	2.64	2.82	3.00	3.16
Night	1.30	1.84	2.25	2.60	2.91	3.18	3.44	3.68	3.90	4.11

See Also

• 九一式徹甲弾
• Additional EN link