D&D5e — Inspiration

Inspiration is the term used more or less for what in other games are called Fate Points — points players can use to improve their dice rolls and what-not.

In 5e, however, players can't amass Inspiration points; they either have it, or they don't. That means that no matter how consistently clever and excellent they may have been, if they use Inspiration at all, they then have to wait for the whimsical GM to arbitrarily decide that they're worthy of having it again.

I don't like that.

Instead, I will allow players to stockpile accrued Inspiration points, with the caveat that if one is used, the character needs to take a Short Rest (about an hour of restful down-time) before another can be used. This should prevent the situation where the party save up all their fate points for the final Boss Fight and then blow them all in the space of a few rounds in a GM-depressing holocaust of automatic hits and saves.