Let's Play Weird And Unfortunate Things Are Happening - 11 - All-Destroying Miriam
Overdrive might, in fact, be one of the most overpowered abilities I've seen in a JRPG. Action economy is a big deal (which is why Lumin Flash is so good — it can lead to the enemy group skipping a BUNCH of turns, letting me mop up with relative ease), so an ability that straight-up doubles the number of turns you get is huge.
That said, that's one of the really good things about this game, design-wise — the party has gone from feeling like a bunch of survivors doing their best to survive to a bunch of experienced monster-slayers who don't need to worry about much. And that works really well, since it reflects the plot — we've already slapped around the hosts of two Inner Evocations, so it makes sense that we wouldn't have much trouble with their minions/hangers-on.
(Poor Amethyst. I'm guessing she tried the candy.)
If you want to play along, you can grab the game at https://unity.itch.io/weird