Metal Maiden Depot, a Metal Waltz database

Last updated : 2025-09-11 00:16:44
Profile updated to game version : 1.9.8.12

{{Infobox_Metal_Maiden_Profile
 | model                                        = Bison I
 | name                                                = Prima Scholz
 | character_portrait_image                        = Bison I.png
 | rarity                                        = purple
 | type                                                = spg
 | nation                                        = Bavaria
 | character_voice                                = 
 | live2d                                        = 1
}}

==Quote==
{| class="wikitable"
 ! From
 ! Quote
 |-
 | rowspan="4" | Main game screen
 | Aha! The grenades and APCR are both coming in handy!
 |-
 | Should I paint my nails pink or raspberry?
 |-
 | Me tell a joke? Umm... loading complete!
 |-
 | What should I do on the weekends, Commander? Movie night or afternoon tea?
 |-


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 |-
 | Unequip all gear
 | Just accept it.


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|}

==Attributes==
{{Infobox_Metal_Maiden_Statistics
 | firepower                                = 624
 | penetration                                = 221
 | durability                                = 495
 | armor                                = 159
 | targeting                                = 80
 | evasion                                = 50
 | stealth                                = 95
 | detection                                = 60
 | range_min                                = 1 080
 | range_max                                = 2 970
 | fire_resist                                = B
 | crit_resist                                = A
 | crit_defense                                = S
}}
{{Infobox_Metal_Maiden_Lifestyle
 |skill_1                        = cooking
 |skill_1_level                        = 1
 |skill_2                        = nursing
 |skill_2_level                        = 3
 |skill_3                        = 
 |skill_3_level                        = 
}}
{{Infobox_Metal_Maiden_Equipment
 | max_rank                        = 2
 | slot_1                        = mod
 | slot_2                        = mod
 | slot_3                        = mod
 | slot_4                        = internal
 | slot_5                        = internal
 | slot_6                        = fate_carriage
 | slot_7                        = fate_special
 | slot_8                        = fate_special
 | ap                                = 0
 | apcr                                = 1
 | apds                                = 0
 | he                                = 1
 | heat                                = 0
 | hesh                                = 1
 | rp                                = 0
 | c_proof                        = 0
 | d_proof                        = 0
 | h_proof                        = 0
 | s_proof                        = 0
 | w_proof                        = 1
 | silent                        = 1
 | armor                        = light
 | angled                        = 1
 | flat-top                        = 0
 | front                        = 0
 | light                        = 0
 | low                        = 0
 | rear                        = 0
 | sloped                        = 0
 | tires                        = 0
 | treads                        = 1
}}

==Requirements==
<tabber>
Drop =<div title>Can be obtained in the following volumes :<br />
Volume 9-4 | Volume 10-4 | Volume 11-4 | Volume 12-4</div>
|-|
Refactor =<div title>[[File:Base_BWMG_depot.png]]
Appears in BWMG Depot 1</div>
|-|
Method 1 =<div title>{{Infobox_Metal_Maiden_Requirements_RD
 | metal_maiden_1 = Grille Ausf.H
 | metal_maiden_1_rarity = Blue
 | metal_maiden_1_level = 40
 | metal_maiden_1_rank = 
 | blueprint_rank = 2
 | blueprint_quantity = 12
 | resource = Secret Plan
 | resource_quantity = 74
 | equipment = Gun Rammer
 | equipment_rank = S3
 | equipment_slot = mod
 | equipment_quantity = 1
 | silver_quantity = 250 000


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 | codon_quantity = 
}}</div>
|-|
Method 2 =<div title>{{Infobox_Metal_Maiden_Requirements_RD
 | metal_maiden_1 = Grille Ausf. K
 | metal_maiden_1_rarity = Purple
 | metal_maiden_1_level = 30
 | metal_maiden_1_rank = 
 | blueprint_rank = 2
 | blueprint_quantity = 12
 | resource = Secret Plan
 | resource_quantity = 61
 | equipment = Gun Rammer
 | equipment_rank = S3
 | equipment_slot = mod
 | equipment_quantity = 1
 | silver_quantity = 208 000


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 | codon_quantity = 
}}</div>
|-|
</tabber>

==Technology==

==Illustration==


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{{Infobox_Metal_Maiden_Statistics
 | firepower                                = 624
 | penetration                                = 221
 | durability                                = 495
 | armor                                = 159
 | targeting                                = 80
 | evasion                                = 50
 | stealth                                = 95
 | detection                                = 60
 | range_min                                = 1 080
 | range_max                                = 2 970
 | fire_resist                                = B
 | crit_resist                                = A
 | crit_defense                                = S
}}

	Bison I
	Prima Scholz

Unlocks

SPG Bison II

SPG G.W. B2(f)

SPG Grille Ausf. K

SPG Grille Ausf.H

ATG sIG 33B

ATG Sturmpanther

SPG Wespe


Category	Self-Propelled Gun
Armor	Light
Nation	Bavaria
Rarity	Purple
Blueprint Rank	N2
Live2D	Available

Talents

	Cooking	1
	Nursing	3

Basic equipment slots

Additionnal Raid slots
Unknown

Additionnal Fate slots

Shells

	[APCR] Composite-Rigid
	[HE] High-Explosive
	[HESH] Squash-Head

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 (96 vehicles in this category)
Click here to see rankings
Δ ± deviation from the median value for this attribute at level 99

624
+19.90
2574

Firepower
Ranked 59
Δ -196

221
+6.51
858

Penetration
Ranked 62
Δ -179

Targeting
Ranked 17
Δ -20

495
+15.61
2024

Durability
Ranked 76
Δ -556

159
+4.81
630

Armor
Ranked 64
Δ -168

Evasion
Ranked 20
Δ -25

Stealth
Ranked 9
Δ +10

Detection
Ranked 13
Δ +0

B
62

Fire resistance
11 Δ +4

A
76

Critical resistance
7 Δ +8

S
80

Critical defense
5 Δ +4

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%

	Indirect-Fire Shelling Skill
1. Startup: Shelling Stage Attack 3 targets, dealing 3605..8498 (50% damage), chance to skip a turn of the lowest attack enemy

	Pressing Fire Shelling Skill
1. Startup: Shelling Stage Deals 2x4494..10593 damage to target (85% 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
	Treads Immune to [Snowy] terrain effect : [Snow] [Snow] Troughout the battle, Evasion is reduced

Engine properties

	W proof Immune to [Wet] terrain effect : [Dirt] [Dirt] Troughout the battle, Detection 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 WP Engine
Detection icon

Tier 2

Silent WP Engine II
Detection icon

Tier 3

Silent WP Engine III
Detection icon

Tier 1

Infantry Chassis
Durability icon

200

100

Tier 2

Infantry Chassis II
Durability icon

965

300

Tier 3

Infantry Chassis III
Durability icon

1295

520

120

Tier 1

Light Rolled Riveted Armor
Armor icon

Tier 1

Light Hardened Riveted Armor
Armor icon

Tier 1

Light Welded Rolled Armor
Armor icon

Tier 1

Light Hardened Welded Armor
Armor icon

Tier 1

Light Composite Armor
Armor icon

175

Tier 1

Light Tempered Upgraded Armor
Armor icon

Tier 2

Light Rolled Riveted Armor II
Armor icon

145

Tier 2

Light Hardened Riveted Armor II
Armor icon

195

Tier 2

Light Welded Rolled Armor II
Armor icon

175

Tier 2

Light Hardened Welded Armor II
Armor icon

235

Tier 2

Light Composite Armor II
Armor icon

360

Tier 2

Light Tempered Upgraded Armor II
Armor icon

190

Tier 3

Light Rolled Riveted Armor III
Armor icon

240

115

Tier 3

Light Welded Rolled Armor III
Armor icon

260

Tier 3

Light Hardened Riveted Armor III
Armor icon

335

105

Tier 3

Light Hardened Welded Armor III
Armor icon

370

100

Tier 3

Light Tempered Upgraded Armor III
Armor icon

290

100

Tier 3

Light Composite Armor III
Armor icon

540

[APCR] Composite-Rigid

Tier 3	Level 4	HECRCBC (L) 168521560
Range	1080

[HE] High-Explosive

Tier 1	Level 3	HCHE (L) 30075
Range	5660

Tier 1	Level 5	LDHE (L) 5355055
Range	5660

Tier 2	Level 3	Concave HCHE (L) 80519075
Range	5660

Tier 2	Level 5	BBERHE (L) 121011080
Range	5660

Tier 3	Level 3	RPBBERHE (L) 175016095
Range	5660

Tier 3	Level 5	Concave Elongated HCHE (L) 1410330125
Range	5660

[HESH] Squash-Head

Tier 1	Level 3	Heavy HCHESH (L) 115115
Range	2970

Tier 2	Level 3	Modified HCHESH (L) 355310
Range	2970

Tier 3	Level 4	Modified RPERHESH (L) 1290340100
Range	2970

Tier 3	Level 5	Modified HCFSHESH (L) 67056575
Range	2970

Illustration :

Illustration captured from her Live2D

Refactor

Appears in BWMG Depot LV 1

Story

Can be obtained by cleaning the following volumes from story:

Volume 9-4

Volume 10-4

Volume 11-4

Volume 12-4

Method 1

Level 40

Grille Ausf.H

Secret Plan
x 74

Blueprint N2
x 12

S 3

Gun Rammer
x 1

Silver
x 250 000

Method 2

Level 30

Grille Ausf. K

Secret Plan
x 61

Blueprint N2
x 12

S 3

Gun Rammer
x 1

Silver
x 208 000

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 : 1 out of 3

- Penetration
- Critical resistance

Missing: [rear] [low]

Rocky streets

Adequate equipment : 0 out of 3

- Armor
- Targeting
- Critical resistance

Missing: [rear] [low] [tires] [light]

Snow streets

Adequate equipment : 1 out of 3

- Damage received
- Critical resistance

Missing: [rear] [low] [tires] [light] [c proof]

Grass forest

Adequate equipment : 0 out of 1

- Firepower

Missing: [rear] [low] [tires] [light] [c proof] [front]

Dirt forest

Adequate equipment : 1 out of 3

- Penetration
- Firepower

Missing: [rear] [low] [tires] [light] [c proof] [front]

Rocky forest

Adequate equipment : 0 out of 3

- Armor
- Targeting
- Firepower

Missing: [rear] [low] [tires] [light] [c proof] [front]

Snow forest

Adequate equipment : 1 out of 3

- Damage received
- Firepower

Missing: [rear] [low] [tires] [light] [c proof] [front]

Grass hills

Adequate equipment : 0 out of 1

- Evasion

Missing: [rear] [low] [tires] [light] [c proof] [front] [s proof]