Does Not Play Well with Others

Tabletop games have tried various mechanics for how once a fight type abilities should recharge.  Mostly to try to prevent the players to effectively turning them into infinite use powers when not in combat. One of these is by having it recharge on the initiative roll of an encounter unfortunately tying it to the actual start of a fight just leads to the players looking for ways to trigger trivial combats like killing a bag of rats or beating up a random bum.