Fedifensor said:
Definitely. Per the DMG, I'm obligated to do so - doing otherwise is a "gotcha" tactic. Besides, why would I want to make a player waste a power? It's less fun for him, and the goal is to have fun.
Nonsense.
As a player, I like to be challenged. I want new and unusual circumstances. That's FUN.
Being spoon fed the answer by the DM all of the time is not fun. If I make a mistake as a player, that's ok. It's not "less fun".
And, the DMG did not state what you claim it states. It limits information to PC knowledge, not player knowledge.
They are two different sets of knowledge.
Are you claiming that the PC KNOWS every single time which defense enemy attacks use before the affects of the power are applied? Where is this in the rules? Where is it in the rules that PCs know what defenses even are?
Sure they know after the fact (PHB page 57) how the power affects them, but they only know once the power affects them. This says nothing about before the power affects them or which defense the power affects.
Fedifensor said:
Hit points are an abstraction, but players always know their own HP score. Thus, you can tell whether an attack is going to miss, or get close enough to wear you down further. Also remember that Shield is an interrupt with a condition of "You are hit by an attack", so you can use it after you're hit to raise your AC and change that hit into a miss.
Yes, players know their HP scores. PCs do not.
The DMG limits the knowledge to PC knowledge, not player knowledge.
Fedifensor said:
See above. Also, that attitude is not one that makes the game enjoyable to play. You seem to be rules-lawyering because you think the power is too effective. If it was a +1 bonus instead of +4, would you do the same thing?
Again, nonsense. The game does not need to be played your way to be fun. And, you are the one who pulled out the DMG rule and then start saying "rules-lawyering" when somebody disagrees with your interpretation.
I do agree that spoon feeding your players and telling them:
DM: "Bob, Shield will not work this time because he hit you by 5"
or
DM: "Bob, he hit you for 40 points of damage and only made the roll by 3, so Shield will stop it"
does make Shield too effective. 100% effective as a matter of fact.
Fedifensor said:
If someone swings a bat at me, and they miss, I'm pretty sure I'd know if I was lucky, or skillful, or resolute enough to avoid the blow. How many fantasy novels have you read where the main character is thinking, "I dodged that attack, but my luck is running out. It's only a matter of time until he gets me?" It's a pretty common facet of the genre.
But, this does not apply to the Shield mechanics.
Knowing that one is lucky to be missed says nothing about how unlucky one was to "just barely be hit". Apples and oranges comparison and has nothing to do with the rules discussion here on how Shield works.