@Alchemist64 I could use some advice for this stage…
@suigintou for 3-6, a standard 3 AR 2 SMG echelon with combat effectiveness on par with or higher than Hunter, and a dummy echelon (1 HG) should be enough to complete the map. Put the main ARSMG echelon on the left heliport and the dummy on the command post. Then, send the echelon down three modes, fighting the two enemies on the way, and to the right to defeat Hunter and take the command post. (1/3)

@suigintou even with low star units, if you level and dummy link at least one of them high enough, they should be able to carry the whole echelon.

Alternatively, put an ARSMG echelons on the the command post, and put a Friend Echelon on the left heliport and set it to Capture HQ. Defend the command post while the Friend Echelon takes on Hunter and the enemy command post. (2/3)

@suigintou Also alternatively, Hunter will not leave the enemy command post. So if you deploy a bunch of echelons, and then capture all the spaces *around* Hunter, you will capture the enemy command post after you hit end turn. No fight with Hunter needed. (3/3)
@Alchemist64 What’s a Friend Echelon?
@suigintou oh, I meant Support Echelon (it's at the bottom of the list of echelons when you deploy)

@Alchemist64 Would you mind, perhaps, adding me as a friend in the game?

Also, what makes 3AR 2SMG standard?

@suigintou my ID card

3 AR 2 SMG is one of several team compositions that have good tile bonus synergy

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@Alchemist64 Thank you, sent.
By the way, here is my ace team. I think it has decent enough synergy.
@suigintou I would warn you that MG and SG type dolls cost a lot more resources to deploy than the other types, but looking at the right of that screenshot, you're not exactly near any kind of scarcity problem any time soon. Your RF and MG unit also won't buff any of the other units in the formation, but other than those details your echelon is fine.
@suigintou do note that the more stars a unit has, the more cores it will cost to dummy link it. 5 star units cost *a lot* of cores to improve.