RTF is a global modification that replaces all towns in the game.

Phantom, regeneration, blessing, dispel - fire?

Yes, I would say that everything here is fine except for dispel. Everything can be interpreted in a rather beautiful fiery way.
And the same goes for the other spells, to be honest.
The problem is that these elemental schools are structured in such a way that, if you want, you can fit anything into anything.