The Diehard Bard's page

You’ll need to do a lot better than a couple paragraphs of non-apologies and promises to “listen to employees”. All of the management staff responsible need to step down.

Oh boy.
The Gear Clamp just clicked, spun, tugged, and twisted its way into my heart!

Shooting back through the holes isn’t part of the rules, but piercing the obstacles is. That can of worms is open, plus punching a hole that an expert marksman can take advantage of sounds like fun sci-fi adventure to me

Something to remember is that in this game, specific beats general. Usually a human can’t fly unless they cast the flight spell. normally line of effect is blocked by a wall, but a line weapon hits all creatures and obstacles that they damage (by exceeding or bypassing DR or hardness).

So far, it seems like a "once per book" type deal, but that might change as the adventure increases in scale. I think if you can be a relatively competent back up gunner and other folks have piloting and such, you should be ok playing your mystic. The soldier would be a solid gunner unless you drop dex hard

The Night March of Kalkamedes has a particular "weekend at burnie's" flair to it that can be played for laughs, plus an npc that's consistently there you can make jokes from