RC wrote:
Game balance is a good reason. That's the same thinking the designers made when they created the animates shield, and allowed clerics to fight better than fighters.
No, your thinking is the thinking that keeps the fighter types on a different, weaker level of power from the casters.
"Oh, we should have Pointless Restriction X in place for full plate Melee Guys, because it will help balance them against Reach Melee Guys."
You favor arbitrary and nonsensical rules that solely govern melee classes, and you favor creating them in the vacuum of melee classes.
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At any rate, you favor an...odd restriction because it benefits a distinct minority of melee guys. Not the best reason to create an odd restriction.
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Furthermore, you favor an odd restriction for no real reason. As I've said before (and you've repeatedly failed to answer), It's. Still. Cross. Class. Be honest, here, you're games aren't currently sorta full of tumblers, right?
Ok, cool. Well, they're not going to go to extremely full if we just remove that dumb restriction. As others have pointed in, in real D&D, if you're willing to blow a lot of cross-class skill points so that you can occasionally avoid AoOs, go for it. The game's about choices. If that's what you wnat to choose to do, so be it.
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You have failed to present a logical reason why tumbling in heavy armor shouldn't just call for an Armor Check penalty.
Take, for example, a Fighter in Full Plate trying to tumble. We'll give this fighter a dex of 12, since more would be wasted, AC wise. We'll just assume he's going two-handed sword for now.
This fighter would need a final Tumble bonus of +14 in order to auto-tumble.
Now, to determine how close the fighter gets without any ranks of tumble, we'll simply start with 1 (for the dex), and subtract 6 for the Armor Check penalty. That means that our fighter, sans Tumble ranks, starts with a -5 Tumble check.
That means that our fighter needs 19 ranks in Tumble in order to auto-tumble, and always avoid those AoOs you go on and on about. 19 ranks. For a cross-class skill.
Damn.
That even means that, if through some coolness, you can get Tumble as a class skill, you will still need 19 ranks to tumble in Full Plate.
You can even play with those numbers a bit. Let's say for some reason, you have a +4 dex mod (and still decide you need to wear Full Plate). Fine. You still need 16 ranks to Tumble about. That means that you must be a 13th level character, minimum, to auto-tumble and make those poor Reach Melee Guys cry.
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As I said before, RC, you're making a mountain out of a molehill.