Thanks for the answers to my RHD question a while back!
Q125: Is spellcasting
really an extraordinary ability? I always figured abilities that didn't end in anything -- lacking (Ex), (Su), etc. -- were considered
natural abilities and thus were unavailable to polymorphers and the like. By the logic "not ending in anything = extraordinary," the same could be said of, for example, the Feats line in the
ravid's stat block, or any monster that had something like "Hit Dice: this creature uses d4s for racial hit dice, rather than d8s as would be normal for their type".
@Q125: Natural abilities are gained through Polymorph and the like.
Not seeing "natural abilit(y/ies)" in Alter Self, Polymorph, nor Shapechange.... but you know what, these spells are bad enough even without suddenly gaining the casting ability of a 17th-level cleric when you're already a 17th-level wizard. Welcome to what everyone else figured out in 2003, huh?
Q126: Say someone is a monk saint, AKA this character has two abilities that add Wis to AC (another example: an undead with Unholy Grace [Ex] and levels in Paladin of Tyranny/Slaughter). Are they considered the same bonus, and thus don't stack? Or, because they're untyped bonuses, they
do stack? The latter seems
very cheesy, but I guess the monk (and Mr. Dead Guy) needs all the help he can get.