I spoke to my DM and we pretty much settled on the above rule.
Since I already got "assume SU (Antimagic Cone)" for the beholder form, this set pretty much the precedence for any further feats like these, as it is only available when I am in a Beholder form. So things like Snatch or Fling Enemy...
My DM sees that differently:
I have to meet the prerequisites in my natural form. But tbh, I see things the same way as you do - feel free to take it, but you can only use it when you are in a form that meets the prerequisites.
Permanency can be dispelled, which would disqualify me again :(
Besides: I cannot cast Wu Jen spells (Giant Size is Target Personal).
But the idea is good otherwise.
Morning all
I got a Half Elf Druid 6/Warshaper 1/Master of Many Forms 9 character, and I am thinking about permanently increasing my size from medium to Huge - to qualify for some monstrous feats.
As a shapeshifter, I can turn into pretty much anything, so the standard disadvantages like "you...