Ro'em (ML20) Penny Sherman
Engines
Tier 1 

Silent HP Engine 15 30 25 
Tier 2 

Silent HP Engine II 20 65 35 
Tier 3 

Silent HP Engine III 25 100 50 
Chassis
Tier 1 

RearTurret Chassis 45 15 250 30 
Tier 1 

Infantry Chassis 200 100 25 
Tier 2 

RearTurret Chassis II 135 25 1120 80 
Tier 2 

Infantry Chassis II 965 300 70 
Tier 3 

RearTurret Chassis III 235 35 2075 135 
Tier 3 

Infantry Chassis III 1295 520 120 
Armors
Tier 1 

Light Rolled Riveted Armor 45 25 
Tier 1 

Light Welded Rolled Armor 65 25 10 
Tier 1 

Light Composite Armor 175 10 
Tier 1 

Light Tempered Upgraded armor 95 35 30 
Tier 2 

Light Rolled Riveted Armor II 145 70 
Tier 2 

Light Welded Rolled Armor II 175 60 30 
Tier 2 

Light Composite Armor II 360 20 
Tier 2 

Light Tempered Upgraded Armor II 190 65 45 
Tier 3 

Light Rolled Riveted Armor III 240 115 
Tier 3 

Light Welded Rolled Armor III 260 90 45 
Tier 3 

Light Tempered Upgraded Armor III 290 100 60 
Tier 3 

Light Composite Armor III 540 30 
Shells From game version 1.8.7.43
Tier 3 
Level 6 
Cased APHE (L) 122552560 
Range  3540 
Tier 1 
Level 1 
HEF (L) 3305 
Range  6900 
Tier 1 
Level 4 
HEI (L) 45550 
Range  6900 
Tier 2 
Level 1 
Concave Canister HEF (L) 11651560 
Range  6900 
Tier 2 
Level 4 
Concave HEI (L) 111511575 
Range  6900 
Tier 3 
Level 1 
Concave HCHEI (L) 1575160100 
Range  6900 
Tier 3 
Level 4 
Concave Shrapnel HEF (L) 225535110 
Range  6900 
Tier 1 
Level 1 
HEAT (L) 29045 
Range  3910 
Tier 1 
Level 4 
ATT (L) 360110 
Range  3910 
Tier 1 
Level 5 
EFP AT (L) 395175 
Range  3910 
Tier 1 
Level 6 
Shaped WSAT (L) 285225 
Range  3910 
Tier 2 
Level 1 
FSATT (L) 72521060 
Range  3910 
Tier 2 
Level 3 
FSHEAT (L) 117515570 
Range  3910 
Tier 2 
Level 5 
Tandem AT (S) 845355 
Range  3910 
Tier 2 
Level 6 
Shaped WSFSAT (L) 60045580 
Range  3910 
Tier 3 
Level 1 
CFS ATT (L) 1245395100 
Range  3910 
Tier 3 
Level 3 
CFS HEAT (L) 2145245110 
Range  3910 
Tier 3 
Level 5 
Cluster SADARM (L) 1395570210 
Range  3910 
Tier 3 
Level 6 
Shaped CFS WSAT (L) 920690120 
Range  3910 
Tier 1 
Level 3 
Heavy HCHESH (L) 115115 
Range  6160 
Tier 1 
Level 6 
HEDM HESH (L) 3801105 
Range  6160 
Tier 2 
Level 3 
Modified HCHESH (L) 355310 
Range  6160 
Tier 2 
Level 5 
Modified HEDM HESH (L) 86023015 
Range  6160 
Tier 3 
Level 1 
SSHESH (L) 1100365100 
Range  6160 
Tier 3 
Level 4 
Modified RPERHESH (L) 1290340100 
Range  6160 
Tier 3 
Level 5 
Modified HCFSHESH (L) 67056570 
Range  6160 
Tier 3 
Level 6 
Modified HEDM FSHESH (L) 139036595 
Range  6160 
Illustration :
Official artwork
Official skin artwork
How to unlock:
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 : 1 out of 3
 Detection
 Critical resistance
Missing: [w proof] [low]
Rocky streets
Adequate equipment : 0 out of 3
 Armor
 Targeting
 Critical resistance
Missing: [w proof] [low] [tires] [light]
Snow streets
Adequate equipment : 1 out of 3
 Damage received
 Critical resistance
Missing: [w proof] [low] [tires] [light] [c proof]
Grass forest
Adequate equipment : 1 out of 1
Missing: [w proof] [low] [tires] [light] [c proof]
Dirt forest
Adequate equipment : 2 out of 3
 Detection
Missing: [w proof] [low] [tires] [light] [c proof]
Rocky forest
Adequate equipment : 1 out of 3
 Armor
 Targeting
Missing: [w proof] [low] [tires] [light] [c proof]
Snow forest
Adequate equipment : 2 out of 3
 Damage received
Missing: [w proof] [low] [tires] [light] [c proof]
Grass hills
Adequate equipment : 0 out of 1
 Evasion
Missing: [w proof] [low] [tires] [light] [c proof] [s proof]
Desert hills
Adequate equipment : 1 out of 3
 Damage received
 Evasion
Missing: [w proof] [low] [tires] [light] [c proof] [s proof] [d proof]
Desert plains
Adequate equipment : 2 out of 3
 Damage received
Missing: [w proof] [low] [tires] [light] [c proof] [s proof] [d proof]
Desert valley
Adequate equipment : 2 out of 3
 Damage received
Missing: [w proof] [low] [tires] [light] [c proof] [s proof] [d proof]
Rocky valley
Adequate equipment : 1 out of 3
 Armor
 Targeting
Missing: [w proof] [low] [tires] [light] [c proof] [s proof] [d proof]
Snow valley
Adequate equipment : 2 out of 3
 Damage received
Missing: [w proof] [low] [tires] [light] [c proof] [s proof] [d proof]
Grass plains
Adequate equipment : 1 out of 1
Missing: [w proof] [low] [tires] [light] [c proof] [s proof] [d proof]
Dirt plains
Adequate equipment : 2 out of 3
 Detection
Missing: [w proof] [low] [tires] [light] [c proof] [s proof] [d proof]
Snow plains
Adequate equipment : 2 out of 3
 Damage received
Missing: [w proof] [low] [tires] [light] [c proof] [s proof] [d proof]
Crushed ice streets
Adequate equipment : 0 out of 3
 Damage received
 Targeting
 Critical resistance
Missing: [w proof] [low] [tires] [light] [c proof] [s proof] [d proof]
Shoals forest
Adequate equipment : 1 out of 3
 Damage received
 Detection
Missing: [w proof] [low] [tires] [light] [c proof] [s proof] [d proof]
Shoals hills
Adequate equipment : 0 out of 3
 Damage received
 Detection
 Evasion
Missing: [w proof] [low] [tires] [light] [c proof] [s proof] [d proof]
Muddy snow forest
Adequate equipment : 3 out of 3
Missing: [w proof] [low] [tires] [light] [c proof] [s proof] [d proof]
Crushed ice valley
Adequate equipment : 1 out of 3
 Damage received
 Targeting
Missing: [w proof] [low] [tires] [light] [c proof] [s proof] [d proof]
Rocky desert plains
Adequate equipment : 2 out of 3
 Armor
Missing: [w proof] [low] [tires] [light] [c proof] [s proof] [d proof]
Rocky desert streets
Adequate equipment : 1 out of 3
 Armor
 Critical resistance
Missing: [w proof] [low] [tires] [light] [c proof] [s proof] [d proof]
River hills
Adequate equipment : 0 out of 3
 Fire resistance
 Penetration
 Evasion
Missing: [w proof] [low] [tires] [light] [c proof] [s proof] [d proof] [moisture counter] [buoyant]
River streets
Adequate equipment : 0 out of 3
 Fire resistance
 Penetration
 Critical resistance
Missing: [w proof] [low] [tires] [light] [c proof] [s proof] [d proof] [moisture counter] [buoyant]
River valley
Adequate equipment : 1 out of 3
 Fire resistance
 Penetration
Missing: [w proof] [low] [tires] [light] [c proof] [s proof] [d proof] [moisture counter] [buoyant]
Spore plains
Adequate equipment : 1 out of 3
 Probably fail to attack
 Critical resistance
Missing: [w proof] [low] [tires] [light] [c proof] [s proof] [d proof] [moisture counter] [buoyant] [energized] [brisk]
Spore valley
Adequate equipment : 1 out of 3
 Probably fail to attack
 Critical resistance
Missing: [w proof] [low] [tires] [light] [c proof] [s proof] [d proof] [moisture counter] [buoyant] [energized] [brisk]
Quotes
From  Quote 

Intro  Sir, this is our new team member, with its help, I can surely become a team member more worthy of Commander's trust than my sister. 
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 