Rage spell stacking with Barbarian rage?

[Concordia]

As simple as that!

Do they stack?

Fred

[hogarth]

The penalty to AC does. :-)

Everything else is a morale bonus, so they don't stack.

[Rickmeister]

Nope, but the spell wouldn't give the fatigue-thingie..

Nope, but the ability DOES have the extra power-thingies..