This is a supremely silly thread and I am enjoying it greatly. Thanks for catalysing these cool discussions OP.
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Steels my resolve in pushing my group past 5e
Happy to be of service. Arguing over RAU (Rules As Unintended) is very fun at times.
Usually not when actually playing, though sometimes it can be. For example, by RAU, if you cast Imprisonment (Slumber) on an elf, they'll be immune to the part that makes them sleep, but still get immunity to aging and hunger. It's not OP for a ninth-level spell, and it has interesting worldbuilding implications, so you can just run with it.
So you need Detect Magic running?
Nope
Oh dear I didn’t even know that. Well that makes it even more absurd.
Or a bag of flour to throw around to make the wall visible
Just Last Crusade it and throw some dirt on the wall.
Yes. See invisibility should work as well. Both are quite annoying to activate when in a fight though.
Edit: TIL that detect magic may not work, because the object has to be visible.
Not going to lie. People who argue for rules like Jesse in the meme, makes me not want to play D&D.
Personally I used to love it, if the DM did that it inspired players to play; usually whoever had theage would say something like I can't destroy what I can't see and the the fun starts... Someone throws flour from their pack at it (or dirt, oil, something to make the invisible object visable in another way).
I haven't played in over 20 years so I'm sure it's changed a lot but that kind of stuff was fun to me.
I understand where you are coming from, but it think there are plenty of opportunities for improvisation and creative solutions without the need to start splitting hairs about specific wording.
What would happen if the disintegrate spell targeted a creature or object but a wall of force existed between them? I'm guessing it would just destroy the wall and then continue onward to the target?
If they don't have total cover, they're hit. Nothing says that disintegrate needs line of sight. If they do have total cover, they can't be targeted.
What a weird technicality to get caught up on. Disintegrate destroys wall of force. RAI over RAW any day. It makes absolutely no sense that you can't shoot a disintegrate wherever you want. If you're so worried about the wall being invisible, then target something behind the wall. It's a ray, and it hits the wall, and both spells explicitly say the wall is destroyed. Disintegrate also explicitly can target walls of force, even though it has the "target you can see" caveat. If a player tries to use the explicit counter to wall of force against it and you catch them on a technicality, you're harming the collaborative story.
Don't exploit poor wording when the intent of both spells is clear. No one wants a DM rules lawyer.