we should play mount and gladius.
One of the many punishments
Decimation An extremely rare style of the execution penalty was called decimation and would only be used in extreme cases of cowardice or mutiny. Every tenth man of a centuria, cohort or even the entire Legion, randomly chosen by a draw of lots, was killed by being clubbed or stoned to death by the other members of his unit. The effect could be overwhelmingly positive or an absolute disaster.
So we can role play to the time of the era