Quote Originally Posted by Gludateton View Post
That's how it is for reductions (damage cuts, atk/def debuffs).
For increases the more you get the less relative increase is. --
There's also Combo rate, which is positive.

Now, mathematically, the closer you get to 100% Combo rate shouldn't more damage per turn than at lower %s, but here, reliability is really important. At 99% Combo rate, with Murphy's Law activating on your Soul it takes you 10 turns to reach Full Burst (minus whatever turns your team can generate burst). But the moment you hit 100% Combo, that's dropped down to 5 turns max.

Now, obviously the chance of Murphy's Law happening gets reaaaaaaaaaally low long, long before 99% Combo rate. But it can happen, and you know what that Law says.