DM: So, regarding Discord's response, is that your final answer?
Discord GM: Yes, yes it is, so get on with it already!
DM: Hmmmngh... Can I get a flat d20 roll from somebody?
Twilight Sparkle: Um, what?
Discord GM: Uh, what?
DM: Nothing that's gonna cancel or backfire anyone's actions here. I just need an open source of randomness for something.
Twilight Sparkle: Okayyy... I'll roll it, I guess. <roll> That'll be a... 9?
DM: HMMM...
Pinkie Pie: Izzat bad?
DM: Depends on how you look at it, but it could've been worse.
Fluttershy: That's... something?
Rarity: Are we going to find out what that roll means?
DM: Not right away, but soon enough. A few things are about to happen all at once, in quick succession. Bear with me.
Whenever narrative time dilates in a tabletop game, and actions have to be planned and executed on a scale of seconds, that's always a stressful time for everyone involved. Especially the DM who has to figure out how it all resolves.
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The anxiety of figuring out how everything resolves is compounded in a PvP situation. In PvE the DM always has the prerogative of making decisions in the spirit of expediency regarding NPCs. But when both (or multiple) sides of the conflict involve players, then steps need to be taken to at least take inputs from all factions into account, and if said inputs don't produce a clear, obvious superiority by their very nature, then some random dice rolling and/or checks will have to be involved and adjudicated. Now, on the other side, proper execution of such situations can be quite rewarding, which is fair considering the extra stress involved.
Ahhh, but this isn't PvP. This is PvAdversary, an Adversary is a non-GM Player, generally an Assistant GM or Narrator, sometimes another Player who has no Character stake in the events (for fairnesss), so there is far, far, far less tension. And as Discord's AdversaryPlayer (henceforth APC) is a fellow GM he should be further stepped back from being emotionally involved.
Now, he probably isn't emotionally detached, but I'm hoping he's at least a good sport about being set back on his heels and takes it as a challenge to face (and eventually lose to) rather than a challenge to his "auth-or-rih-tae".
Considering how he was characterized on his last visit, I can't really see this session not involving a very, very dramatic ooc situation at some point.
I kind of disagree here; as we aren't privvy to some of the behind the curtain, but Discord hasn't really been shown to be GMing... well.... anything. Aside from a character that has slightly abnormal creation rules. But while the line between Co-GMing an adversary and just being an over-the-top player may be, from where I sit he hasn't really contributed much of anything this session (so far, and on screen - key component in this) that suggests that he does anything different than most players can do. Players can be creative, with unique descriptions of their powers and effects upon the world without being given the title of co-GM. And while he may be a cameo player, Discord does not seem to suggestibly state he knows anything about the plotline in function, the direction it may go... or really, suggestibly anything that has to do with the setting, environment, or lore that isn't already *directly* affected by his own player character. So I do hope we get to see more Co-GMing out of him, lest he just be an X-character player. But I might be in a minority here on that opinion.
I've been known to roll for absolutely no reason, often when players hit a moment of decision paralysis, but act like I'm adjudicating something because it's a fun way to prod my players to pick a decision and start moving with it.
Have yet to find something in a monster manual with a CR higher than the players' ability to not overthink a situation.