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Throughout my tournament experience (excluding the fourth game), I have never planned for more than one morale/luck boost per battle, nor have I relied on it (except for one battle lasting over 40 rounds, but in that case, it just happened more than once). And this didn't prevent me from achieving quite high rankings.
In short, it's time to start a collective discussion about limitations.
For example, like this: one morale/luck boost per turn can always be planned for; the maximum number of subsequent boosts should not exceed twice (or three times? your suggestions...) the mathematical probability, which logically follows from the values of morale, luck, and the Bernoulli distribution.