Please rate Transdimensional Spell

[Andion Isurand]

From the relative safety of the Ethereal Plane, using Ethereal Jaunt, I could see a spellcaster attacking creatures on the Prime Material Plane with transdimensional spells.

While force effects on the Prime Material Plane , extend into the Ethereal Plane... they cannot extend from the Ethereal Plane, into the Prime Material Plane. This feat helps overcome this aspect, allowing the above said tactic to occur.

As it is, the feat's description appears to be written from the point of view that the spellcaster is on the Prime Material Plane, but does not specify. This brings you back to the quoted portion of the feat's description, and last time I checked, the Prime Material Plane did co-exist with the Ethereal Plane and the Plane of Shadow.

You can cast spells that affect targets lurking in coexistent planes and extradimensional spaces whose entrances fall within the area affected.

Another thing to consider is that there are many planes out there in the cosmologies, and some planes co-exist with others.... not just the Prime Material + Ethereal + Shadow plane combination. If the feat is going to work as described in the above quote, it has to apply to other sets of co-existant planes as well.

 

[AuraSeer]

From the relative safety of the ethereal plane, using Ethereal Jaunt, I could see a wizard attacking creatures on the prime material plane with transdimensional spells.

The feat does not grant that ability. It says nothing about allowing an ethereal caster's spells to extend to the Material Plane. (Maybe it should, but as written it does not.)

I can see this feat bringing a lot of help to sorcerers... allowing them to adjust their firepower a greater number of situations.

The problem is that sorcerers have so few feats, they need to carefully choose which ones to take. There are many other metamagic feats that are useful in more situations-- Silent Spell, Energy Substitution, Sculpt Spell, etc. Plus there are item creation feats, and those required for a prestige classes. Your average Sor just doesn't have any feat slots to spare on something that comes up so rarely.

If my Sor wants to kill someone hiding in an extradimensional space, he can dispel the item or spell they're hiding in, and then blast them with ordinary spells. If he's fighting spectres he can cast magic missile until the cows come home, go to bed, get up, leave, and come home again. This feat adds almost nothing to his arsenal, so it's not worth taking.

 

[Jeph]

Wow, cool feat! A new way to do the scry/teleport/fireball assassination!

Scry area. Planeshift to Plane of Shadow. Teleport to corresponding area on Plane of Shadow. FIREBALLFIREBALLFIREBALLFIREBALL!!!!!

Since, like, you know, people usually don't pay much attention to the plane of shadow, unlike they do to the Etherial.

 

[AuraSeer]

Wow, cool feat! A new way to do the scry/teleport/fireball assassination!

...if that trick worked, which it doesn't. The feat does not let you cast spells back onto the Prime if you're elsewhere.

Didn't I already point this out?