Lanefan
Victoria Rules
Sorry for not getting to this one sooner...
First, if I tell you up front what its AC is then I've also told the whole table, including all the less-able combatants who otherwise wouldn't have a clue. I've given them information they shouldn't know.
Second, in the case of a more common creature - say Orcs in plate mail - if I tell you this one's AC is 2 (or 18 if you insist on counting up
) then tell you the next one's AC is 0 (or 20) yet the next one has no more dexterity going for it than the last one, that's an instant red flag to you-all-as-players that this one's got magic defenses on it; again info that neither characters nor players wouldn't and shouldn't know yet.
As for the mental modelling, that's subsumed in your Fighter's ability to swing for the cracks between the scales, wait for openings, and so forth which is taken into account mechanically by your increasing (to use the 3e term) BAB as you gain levels and experience. Increasing hit points kind of - badly - sorts out your increasing ability to dodge what would otherwise be fatal or near-fatal blows.
Watching it, yes. Closest I got to playing it was several seasons of (very!) amateur broomball - similar-ish game played on the same rink but without skates.When you say the above, I immediately think "this person has little to no experience as a martial actor in physical sports or combat."
I can't recall, but i think you...may be...Canadian (?) so you have some experience with hockey?
Which is reflected - perhaps not well, but hey - in your character's increasing skill with weapons, ability to hit, and so forth.Here is the thing. I'm 42. I have been a grappler since I was 12 (so 30 years) from wrestling to Brazilian Jiu-jitsu. I have been in a ridiculous number of physical, violent confrontations in my life.
What happens at the subconscious level of a very experienced, very trained physical combatant/athlete is ALL numbers. All of it. Spatial Geometry, trajectories, relative velocities, angles of intercept, potential force and how my body should move to diffuse some of it, arcs, etc. Elite athletes have complex models of moving objects in space (including themselves; proprioception) and perform complex computations (subconsciously) in milliseconds that have amazing predictive capacity relative to a layperson.
An expert Warrior who has been exchanging blows in sparring, against target dummies with armor, real creatures in the wild with natural armor. They would have an intrinsic understanding (with just a glimpse) of the density and resilience to blows of a dragon's scale that would be well beyond the pale of your average town guard, and profoundly beyond that of a villager. They would process its agility, speed, and its ability (or not) to produce angles extremely quickly and with amazing accuracy.
Two issues here - maybe more, but two leap to mind:If you merely inform with the sort of abstract, flowery prose that any noncombatant could grok to the same level ("The dragon's scales shimmer like steel as your torchlight cascades across it. Its mighty lungs expand and contract as it sleeps, the sound of its overlapping armored plates grating subtly against each other, creating an eerie sound. Not a single scale that you can see bears a scar of battle...though surely this Ancient Wyrm has been tested by other dragons and adventurers alike.") and model just as well ("These scales are really hard!") an elite combatant...
...well, if I'm sitting at that table, I don't feel remotely sufficiently informed with respect to the resolution of the mental model that I, while attempting to inhabit my elite Fighter, should have. I would feel completely disconnected.
First, if I tell you up front what its AC is then I've also told the whole table, including all the less-able combatants who otherwise wouldn't have a clue. I've given them information they shouldn't know.
Second, in the case of a more common creature - say Orcs in plate mail - if I tell you this one's AC is 2 (or 18 if you insist on counting up

As for the mental modelling, that's subsumed in your Fighter's ability to swing for the cracks between the scales, wait for openings, and so forth which is taken into account mechanically by your increasing (to use the 3e term) BAB as you gain levels and experience. Increasing hit points kind of - badly - sorts out your increasing ability to dodge what would otherwise be fatal or near-fatal blows.