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And all this without needing to buy mercenaries/auxiliaries/RoR in between. That means you can Lightning Strike, win while losing a ton of men, and be practically back up to 100% for the very next Lightning Strike on the same turn. The only reason Lightning Strike is maybe a bit OP in the TW:W games is because you can stack so many modifiers together that you can almost fully replenish a half-dead army after every battle. One difference from S2/R2/Attila, though: night battles were useful, but I don't remember being able to replenish so well via post-battle options in those games. Or, their army reinforces directly behind mine, and I jump it prior to turning on the original army I meant to attack.
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Seriously, the CPU often rushes full reinforcing 20-stacks into a trap trying to save a 3 or 4 unit army that happened to be on the field first.
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Personally, I tend to avoid Lightning Strike simply because you can often exploit the CPU's poor ability to combine armies to good effect. It was actually a lot like the TW:W set-up, where after around 7 skill points or so, you could pick a skill to unlock night battles, which were essentially a form of Lightning Strike that had less visibility and ranged unit range (because it's dark, after all).
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Night battles could be done in S2, R2, Attila as well.
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