I like it. I'd choose the "vanish permanently" option. We should also mention that the pilot must wear or wield the replicas at all times; dropping them causes the spiritual equipment to vanish "permanently" as well.
Yup, that's why I'd like to say that explicitly.Hmm, since the helmsman must "actively wield" the equipment for the juggernaut to benefit from it, it makes sense for the juggernaut to lose an item's benefits if the helmsman stops "wielding" said item.
I'd prefer "pilot" in keeping with 3.Xe's shift toward gender-neutral wording.Come to think of it, shouldn't we change the title of the "pilot" to "helmsman", which is the name used in Jakandor - Island of War?
Yup, that's why I'd like to say that explicitly.
I'd prefer "pilot" in keeping with 3.Xe's shift toward gender-neutral wording.
All that works for me.
With that, is the spiritual equipment done? Do we need to specify anything about magic items? What about wands of spells like magic missile (as an example) that fire spells? I'd say they should work (based on my memory of the original text), but do we need to say that explicitly?
That works for me! That bit didn't take as long as I thought it might.
Which feature do you want to tackle next?
I solved that dilemma by renaming the permanent version to having the spiritual copy "dissolve".
That leaves the question as to whether the "a spiritual copy will vanish if the juggernaut equips a regular item in its place" is a permanent "vanishing", so should be changed to "a spiritual copy will dissolve if the juggernaut equips a regular item in its place".

(Dungeons & Dragons)
Rulebook featuring "high magic" options, including a host of new spells.