BM8 Katyusha Julia Sidorovna
Engines
Tier 1 

Silent HT Engine 10 320 15 
Tier 2 

Silent HT Engine II 20 1180 40 
Tier 3 

Silent HT Engine III 25 1840 60 
Chassis
Tier 1 

Wheeled Chassis 135 45 30 45 
Tier 2 

Wheeled Chassis II 255 75 40 75 
Tier 3 

Wheeled Chassis III 395 110 50 110 
Armors
Tier 1 

Light Rolled Riveted Armor 45 25 
Tier 1 

Light Cast Riveted Armor 45 65 25 
Tier 1 

Light Spaced Armor 85 55 
Tier 1 

Light Tempered Upgraded armor 95 35 30 
Tier 2 

Light Rolled Riveted Armor II 145 70 
Tier 2 

Light Cast Riveted Armor II 130 240 65 
Tier 2 

Light Spaced Armor II 185 110 
Tier 2 

Light Tempered Upgraded Armor II 190 65 45 
Tier 3 

Light Rolled Riveted Armor III 240 115 
Tier 3 

Light Cast Riveted Armor III 210 415 105 
Tier 3 

Light Spaced Armor III 280 170 
Tier 3 

Light Hardened Welded Armor III 370 100 25 
Tier 3 

Light Composite Armor III 540 30 
Shells From game version 1.12.2.0
Tier 1 
Level 2 
RocketI (M) 33585 
Range  8020 
Tier 1 
Level 4 
RocketT (M) 370120 
Range  8020 
Tier 1 
Level 5 
AT Rocket (M) 380130 
Range  8020 
Tier 2 
Level 1 
FS RocketT (M) 74525035 
Range  8020 
Tier 2 
Level 4 
FS RocketI (M) 114525555 
Range  8020 
Tier 2 
Level 5 
ML Rocket (M) 955295 
Range  8020 
Tier 2 
Level 6 
FSAT Rocket (M) 90530035 
Range  8020 
Tier 3 
Level 1 
Turbo RocketT (M) 127542090 
Range  8020 
Tier 3 
Level 2 
Turbo RocketI (M) 1685375115 
Range  8020 
Tier 3 
Level 5 
MLFS Rocket (M) 149045535 
Range  8020 
Tier 3 
Level 6 
Turbo AT Rocket (M) 138045080 
Range  8020 
Illustration :
Official artwork
How to unlock:
Can be traded for silvers in a Naval Port of level 7 or more
Terrain performance based on chassis and engine bonus
Warning : This is only an approximation and a workinprogress.
 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]
Desert hills
Adequate equipment : 1 out of 3
 Damage received
 Fire resistance
Missing: [rear] [w proof] [low] [treads] [c proof] [front] [d proof] [h proof]
Desert plains
Adequate equipment : 1 out of 3
 Damage received
 Fire resistance
Missing: [rear] [w proof] [low] [treads] [c proof] [front] [d proof] [h proof]
Desert valley
Adequate equipment : 1 out of 3
 Damage received
 Fire resistance
Missing: [rear] [w proof] [low] [treads] [c proof] [front] [d proof] [h proof]
Rocky valley
Adequate equipment : 3 out of 3
Missing: [rear] [w proof] [low] [treads] [c proof] [front] [d proof] [h proof]
Snow valley
Adequate equipment : 1 out of 3
 Evasion
 Damage received
Missing: [rear] [w proof] [low] [treads] [c proof] [front] [d proof] [h proof]
Grass plains
Adequate equipment : 1 out of 1
Missing: [rear] [w proof] [low] [treads] [c proof] [front] [d proof] [h proof]
Dirt plains
Adequate equipment : 1 out of 3
 Penetration
 Detection
Missing: [rear] [w proof] [low] [treads] [c proof] [front] [d proof] [h proof]
Snow plains
Adequate equipment : 1 out of 3
 Evasion
 Damage received
Missing: [rear] [w proof] [low] [treads] [c proof] [front] [d proof] [h proof]
Crushed ice streets
Adequate equipment : 1 out of 3
 Damage received
 Critical resistance
Missing: [rear] [w proof] [low] [treads] [c proof] [front] [d proof] [h proof]
Shoals forest
Adequate equipment : 0 out of 3
 Damage received
 Detection
 Firepower
Missing: [rear] [w proof] [low] [treads] [c proof] [front] [d proof] [h proof]
Shoals hills
Adequate equipment : 1 out of 3
 Damage received
 Detection
Missing: [rear] [w proof] [low] [treads] [c proof] [front] [d proof] [h proof]
Muddy snow forest
Adequate equipment : 0 out of 3
 Evasion
 Penetration
 Firepower
Missing: [rear] [w proof] [low] [treads] [c proof] [front] [d proof] [h proof]
Crushed ice valley
Adequate equipment : 2 out of 3
 Damage received
Missing: [rear] [w proof] [low] [treads] [c proof] [front] [d proof] [h proof]
Rocky desert plains
Adequate equipment : 2 out of 3
 Fire resistance
Missing: [rear] [w proof] [low] [treads] [c proof] [front] [d proof] [h proof]
Rocky desert streets
Adequate equipment : 1 out of 3
 Fire resistance
 Critical resistance
Missing: [rear] [w proof] [low] [treads] [c proof] [front] [d proof] [h proof]
River hills
Adequate equipment : 1 out of 3
 Fire resistance
 Penetration
Missing: [rear] [w proof] [low] [treads] [c proof] [front] [d proof] [h proof] [moisture counter] [buoyant]
River streets
Adequate equipment : 0 out of 3
 Fire resistance
 Penetration
 Critical resistance
Missing: [rear] [w proof] [low] [treads] [c proof] [front] [d proof] [h proof] [moisture counter] [buoyant]
River valley
Adequate equipment : 1 out of 3
 Fire resistance
 Penetration
Missing: [rear] [w proof] [low] [treads] [c proof] [front] [d proof] [h proof] [moisture counter] [buoyant]
Spore plains
Adequate equipment : 1 out of 3
 Probably fail to attack
 Critical resistance
Missing: [rear] [w proof] [low] [treads] [c proof] [front] [d proof] [h proof] [moisture counter] [buoyant] [energized] [brisk]
Spore valley
Adequate equipment : 1 out of 3
 Probably fail to attack
 Critical resistance
Missing: [rear] [w proof] [low] [treads] [c proof] [front] [d proof] [h proof] [moisture counter] [buoyant] [energized] [brisk]
Quotes
From  Quote 

Intro  
Main screen #1  
Main screen #2  
Main screen #3  
Main screen #4  
Main screen #5  
Main screen #6  
On upgrade  
Preattack #1  
Preattack #2  
Preattack #3  
On attack #1  
On attack #2  
On attack #3  
On attack #4  
On attack #5  
On attack #6  
On attack #7  
Getting hit  
Upon destruction  
Assignation to a squad  
Adding essential equipment #1  
Adding essential equipment #2  
Adding essential equipment #3  
Adding essential equipment #4  
Adding equipment to a slot #1  
Adding equipment to a slot #2  
Adding equipment to a slot #3  
Unequip all gear  
Battle victory #1  
Battle victory #2  
Battle victory #3  
Battle loss  
Fate 