Metal Maiden Depot, a Metal Waltz database

Last updated : 2024-03-31 00:57:48
Profile updated to game version : 1.9.7.52

{{Infobox_Metal_Maiden_Profile
 | model                                        = BM-21 Grad
 | name                                                = Katyusa Yakovlevna
 | character_portrait_image                        = BM-21 Grad.png
 | rarity                                        = gold
 | type                                                = spg
 | nation                                        = Rossiya
 | character_voice                                = 
 | live2d                                        = 0
}}

==Quote==
{| class="wikitable"
 ! From
 ! Quote


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 |-
 | Fate
 | It's OK to not wear my hair clip today~ What I really want now is to stand on the high cliffs And sing for you~
|}

==Attributes==
{{Infobox_Metal_Maiden_Statistics
 | firepower                                = 901
 | penetration                                = 308
 | durability                                = 682
 | armor                                = 207
 | targeting                                = 120
 | evasion                                = 95
 | stealth                                = 85
 | detection                                = 70
 | range_min                                = 9 680
 | range_max                                = 9 680
 | fire_resist                                = C
 | crit_resist                                = A
 | crit_defense                                = A
}}
{{Infobox_Metal_Maiden_Lifestyle
 |skill_1                        = cooking
 |skill_1_level                        = 3
 |skill_2                        = sports
 |skill_2_level                        = 1
 |skill_3                        = 
 |skill_3_level                        = 
}}
{{Infobox_Metal_Maiden_Equipment
 | max_rank                        = 3
 | slot_1                        = turret
 | slot_2                        = mod
 | slot_3                        = cabin
 | slot_4                        = cabin
 | slot_5                        = internal
 | slot_6                        = special
 | slot_7                        = special
 | slot_8                        = raid_A.T.E.
 | ap                                = 0
 | apcr                                = 0
 | apds                                = 0
 | he                                = 0
 | heat                                = 0
 | hesh                                = 0
 | rp                                = 1
 | c_proof                        = 0
 | d_proof                        = 0
 | h_proof                        = 0
 | s_proof                        = 1
 | w_proof                        = 0
 | silent                        = 1
 | armor                        = light
 | angled                        = 1
 | flat-top                        = 0
 | front                        = 0
 | light                        = 1
 | low                        = 0
 | rear                        = 0
 | sloped                        = 0
 | tires                        = 1
 | treads                        = 0
}}

==Requirements==
<tabber>
Method 1 =<div title>{{Infobox_Metal_Maiden_Requirements_RD
 | metal_maiden_1 = T-60/BM-8-24
 | metal_maiden_1_rarity = Gold
 | metal_maiden_1_level = 90
 | metal_maiden_1_rank = 
 | metal_maiden_2 = BM-13 Katyusha
 | metal_maiden_2_rarity = Gold
 | metal_maiden_2_level = 90
 | metal_maiden_2_rank = 
 | blueprint_rank = 6
 | blueprint_quantity = 43
 | resource = Processor
 | resource_quantity = 548
 | equipment = Suppressor
 | equipment_rank = S6
 | equipment_slot = carriage
 | equipment_quantity = 1
 | dogtag_quantity = 56
 | silver_quantity = 6 645 000
}}</div>
|-|
Method 2 =<div title>{{Infobox_Metal_Maiden_Requirements_RD
 | metal_maiden_1 = T-60/BM-8-24
 | metal_maiden_1_rarity = Gold
 | metal_maiden_1_level = 90
 | metal_maiden_1_rank = 
 | metal_maiden_2 = BM-13 Katyusha
 | metal_maiden_2_rarity = Gold
 | metal_maiden_2_level = 90
 | metal_maiden_2_rank = 
 | blueprint_rank = 6
 | blueprint_quantity = 43
 | resource = Processor
 | resource_quantity = 548
 | equipment = Suppressor
 | equipment_rank = S6
 | equipment_slot = carriage
 | equipment_quantity = 1
 | silver_quantity = 6 645 000
}}</div>
|-|
</tabber>

==Technology==

==Illustration==
{| class="mw-collapsible mw-collapsed wikitable"
! Full illustration
|-
| [[File:BM-21 Grad_full.png]]
|}

{{Infobox_Metal_Maiden_Statistics
 | firepower                                = 901
 | penetration                                = 308
 | durability                                = 682
 | armor                                = 207
 | targeting                                = 120
 | evasion                                = 95
 | stealth                                = 85
 | detection                                = 70
 | range_min                                = 9 680
 | range_max                                = 9 680
 | fire_resist                                = C
 | crit_resist                                = A
 | crit_defense                                = A
}}

	BM-21 Grad
	Katyusa Yakovlevna

Unlocks

Nothing

Category	Self-Propelled Gun
Armor	Light
Nation	Rossiya
Rarity	Gold
Blueprint Rank	N6-
Live2D	Not available

Talents

	Cooking	3
	Sports	1

Basic equipment slots

Additionnal Raid slots

Additionnal Fate slots
Unknown

Shells

[RP] Rocket-Propelled

Attributes :

value at level 1
+ increase per level
value at level 99

Attribute's icon

Attribute's name
Rank in SPG category for this attribute (89 vehicles in this category)
Click here to see rankings
Δ ± deviation from the median value for this attribute at level 99

901
+21.51
3008

Firepower
Ranked 13
Δ +261

308
+8.00
1092

Penetration
Ranked 25
Δ +61

120

Targeting
Ranked 5
Δ +25

682
+22.61
2897

Durability
Ranked 19
Δ +317

207
+7.10
902

Armor
Ranked 18
Δ +104

Evasion
Ranked 9
Δ +25

Stealth
Ranked 8
Δ +0

Detection
Ranked 8
Δ +10

C
52

Fire resistance
15 Δ -2

A
76

Critical resistance
6 Δ +10

A
76

Critical defense
7 Δ +0

Active Skills :

Click on skills to show their effects

	Bracket Shot Shelling Skill
1. Startup: Shelling Stage Deals 4312..10164 damage (135% damage), target's range is reduced by 35%

	Pressing Fire Shelling Skill
1. Startup: Shelling Stage Deals 2x4494..10593 damage to target (85% damage)

	Variable Fire Shelling Skill
1. Startup; Shelling Stage Attack 3 targets for 4368..10296 damage 2 times (35% damage)

	Volley Fire Shelling Skill
1. Startup: Shelling Stage Attack 3 targets, dealing 5180..12210 damage (55% damage)

Chassis properties

	Angled Immune to [Broad] terrain effect : [Plains] [Plains] During Shelling stage, Firepower is drastically reduced
	Light Immune to [Rocky] terrain effect : [Rocky] [Rocky] Troughout the battle, Targeting is reduced
	Tires Immune to [Flat] terrain effect : [Rocky] [Rocky] Troughout the battle, Armor is reduced

Engine properties

	S proof Immune to [Steep] terrain effect : [Hills] [Hills] Starting from contact stage, Evasion is drastically reduced
	Silent Immune to [Exposed] terrain effect : [Valley] [Valley] Troughout the battle, Stealth is drastically reduced

Mouseover buff icons to show their properties

Tier 1

Silent HT Engine
Detection icon

320

Tier 2

Silent HT Engine II
Detection icon

1180

Tier 3

Silent HT Engine III
Detection icon

1840

Tier 1

Wheeled Chassis
Durability icon

135

Tier 2

Wheeled Chassis II
Durability icon

255

Tier 3

Wheeled Chassis III
Durability icon

395

110

Tier 1

Light Rolled Riveted Armor
Armor icon

Tier 1

Light Cast Riveted Armor
Armor icon

Tier 1

Light Spaced Armor
Armor icon

Tier 1

Light Tempered Upgraded armor
Armor icon

Tier 2

Light Rolled Riveted Armor II
Armor icon

145

Tier 2

Light Cast Riveted Armor II
Armor icon

130

240

Tier 2

Light Spaced Armor II
Armor icon

185

110

Tier 2

Light Tempered Upgraded Armor II
Armor icon

190

Tier 3

Light Rolled Riveted Armor III
Armor icon

240

115

Tier 3

Light Cast Riveted Armor III
Armor icon

210

415

105

Tier 3

Light Spaced Armor III
Armor icon

280

170

Tier 3

Light Hardened Welded Armor III
Armor icon

370

100

Tier 3

Light Composite Armor III
Armor icon

540

[RP] Rocket-Propelled

Tier 1	Level 1	Rocket-F (M) 32040
Range	9680

Tier 1	Level 2	Rocket-I (M) 33585
Range	9680

Tier 2	Level 2	FS Rocket-F (M) 121013550
Range	9680

Tier 2	Level 4	FS Rocket-I (M) 114525555
Range	9680

Tier 2	Level 5	ML Rocket (M) 955295
Range	9680

Tier 3	Level 2	Turbo Rocket-I (M) 1685375115
Range	9680

Tier 3	Level 4	Turbo Rocket-F (M) 2180235125
Range	9680

Tier 3	Level 5	MLFS Rocket (M) 149045535
Range	9680

Tier 3	Level 6	Turbo AT Rocket (L) 155542080
Range	9680

Illustration :

Main Illustration

Skin illustration

Method 1

Level 90

T-60/BM-8-24

Level 90

BM-13 Katyusha

Dogtag
x 56

Processor
x 548

Blueprint N6
x 43

S 6

Suppressor
x 1

Silver
x 6 645 000

Method 2

Level 90

T-60/BM-8-24

Level 90

BM-13 Katyusha

Voucher
x 308

Processor
x 548

Blueprint N6
x 43

S 6

Suppressor
x 1

Silver
x 6 645 000

Warning : This is only an approximation and a work-in-progress.

Some metal maidens may have more than one type of engine/chassis and therefore can not accumulate all the bonuses from theirs engines/chassis at the same time.
You also have to take into account the range of the ammo available for your metal maiden for each terrains

Dirt streets

Adequate equipment : 0 out of 3

- Penetration
- Detection
- Critical resistance

Missing: [rear] [w proof] [low]

Rocky streets

Adequate equipment : 2 out of 3

- Critical resistance

Missing: [rear] [w proof] [low]

Snow streets

Adequate equipment : 0 out of 3

- Evasion
- Damage received
- Critical resistance

Missing: [rear] [w proof] [low] [treads] [c proof]

Grass forest

Adequate equipment : 0 out of 1

- Firepower

Missing: [rear] [w proof] [low] [treads] [c proof] [front]

Dirt forest

Adequate equipment : 0 out of 3

- Penetration
- Detection
- Firepower

Missing: [rear] [w proof] [low] [treads] [c proof] [front]

Rocky forest

Adequate equipment : 2 out of 3

- Firepower

Missing: [rear] [w proof] [low] [treads] [c proof] [front]

Snow forest

Adequate equipment : 0 out of 3

- Evasion
- Damage received
- Firepower

Missing: [rear] [w proof] [low] [treads] [c proof] [front]

Grass hills

Adequate equipment : 1 out of 1

Missing: [rear] [w proof] [low] [treads] [c proof] [front]