RAMSnake aka Satanyst
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I always take:
Skeletons - both types, in the following ratio:
early stage 80/20
mid-stage 20/80
later 0/100
Zombies - usually as the second unit - they are more durable, and that's what's important for Necropolis.
Souls - as the second unit; if they are resurrected, it's not a problem, but archers without a cart and supplies are just a wasted stack.
Vampires - first upgrade... because they don't get countered, and that's their strength; you can attack Tier 7 without fear.
Liches - first upgrade - because of the splash attack.
Reapers - one upgrade (because of Phoenix).
Dragons - doesn't matter.
Skeletons - both types, in the following ratio:
early stage 80/20
mid-stage 20/80
later 0/100
Zombies - usually as the second unit - they are more durable, and that's what's important for Necropolis.
Souls - as the second unit; if they are resurrected, it's not a problem, but archers without a cart and supplies are just a wasted stack.
Vampires - first upgrade... because they don't get countered, and that's their strength; you can attack Tier 7 without fear.
Liches - first upgrade - because of the splash attack.
Reapers - one upgrade (because of Phoenix).
Dragons - doesn't matter.