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M2 is a MTR whose Skill 1 has a lower multiplier than 2B14 and PP-93. Combine this with the fact that her other skills do not directly increase her damage output and she just ends up being a bit weaker as a general MTR.

If you are reading older guides or info on M2, you might see mentions that her Skill 1 does not activate at the start of combat. This is incorrect info and should be disregarded. Just like with 2B14 and PP-93 her Skill 1 activates at the start of combat.

For more information, check out the Full Analysis section.


Initial Stats → Level 100 → Theoretical Max*

*Includes maximum Iteration and Chip bonuses

Range 3
Lethality 38 → 113 → 519 Pierce 17 → 49 → 138
Precision 40 → 119 → 266 Reload 61 → 182 → 401


Normal Attack
Launch a mortar to deal 1x Lethality and Pierce to enemies within a radius of 2.
Ballistic Shelling
Level 10 Effect Fires an additional shell after every 2 attacks at the furthest enemy unit, dealing an extra 1.2x Lethality to enemies in a radius of 2.
Fatal Intervention
Level 10 Effect After every shot, for each enemy within M2’s attack AoE, apply a 10% Accuracy and Evasion buff for 5s to a random allied unit. Max 3 stacks per unit.
Reload Momentum
Level 10 Effect After every shot, buff M2’s own Precision by 10% for 8s. Max 3 stacks.

Circuit Board

Lethality Pierce Precision Reload
Stat Cap
Res. Bonus
Same Color Bonus
Tiles Lethality Pierce Precision Reload
4 +13 +6
10 +3 +6
16 +30
20 +4 +8
24 +48 +9
28 +8 +13
32 +68 +8
Total +159 +15 +22 +28


Level Lethality Pierce Precision Reload
+2 +4
+1 +3 +5
★☆ +3 +6
★★ +3 +4 +5
★★☆ +4 +6
★★★ +5 +9
★★★☆ +6 +2 +8
★★★★ +6 +9
★★★★☆ +3 +5 +11
★★★★★ +8 +8
Total +41 +14 +28 +43

How should I prioritize this HOC?

Full Analysis

M2's Skill 1 targets the furthest target, as opposed to 2B14's and PP-93's random targeting on their Skill 1. When her Reload is maxed should hit about every ~6 seconds, making her a more frequent but weaker hitting version of the MTR first strike.

Her Skill 2 buffs random allies' Evasion and Accuracy, which can occasionally have uses due to Dolls' skills but is otherwise not worth thinking about much.

Her Skill 3 simply buffs her own Precision, which is neat but not super impactful either.


The M2 mortar is an American infantry mortar that has been used since the mid-20th century. While it has been largely superceded by other modern mortar units in the United States, the M2 remains in service in many armies across the world. 

  • With the right chips, M2 can actually max out her stats and same color bonus even with a square missing in her circuit board. 
  • Thanks to the extra margin, optimal M2 circuit configurations can make use of otherwise suboptimal chip shapes like the size 4 pieces that have decent stat distributions. 
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