Hey. I'm playing a "Dragon Fire Adept" from "Dragon Magic".
I noticed around level 15 there's a pure evil aligned breath weapon and a pure good aligned breath weapon, but no Neutral one.
While there is a normally definable line between Good and Evil in Dragons ("color coded for your convenience"), you as a player character often have moralities an ethics not strongly on either side of the wall.
Thus, to avoid taking an extrema aligned breath weapon out of and taking 4x(my class level) every time I use it (as opposed to 2x for being the proper good or evil alignment), I propose a new breath weapon mid range in power between the two pre-written ones.
Duo-Harmonization of Io
Minimum Level: 15th
As a full-round action, you create two different breath
weapons in rapid succession in the same action: a cone,
or line of negative energy; and a cone, or line, of positive
energy; at your choice. Both breath shapes cannot be a
line, nor can they both be a cone. The cone deals double
the number of dice equal to your normal breath weapon.
The line portion of this breath weapon is reduced in power
from being forced through the cone of it's opposing energy
type, but deals the number dice of damage equal to your
normal breath weapon without a reflex save due to the
masking if it's approach by the pre-existing cone, assuming
that the target is in the path of both the line and the cone's
area of effect. The Line of Effect is declared after the Cone
is resolved, even though both breath energies and shapes occur
effectively near instantaneous of each other within the same full
round action. The line of effect cannot be placed outside the
area of effect that the cone was already designated.
(The Line effect of this breath must reside within the bounds of the cone's area of effect. The Dragonfire Adept cannot turn and face another direction that the cone's area of effect was already bound by and release the line's effect.)
When you use this breath effect, you also take a number of
points of damage equal to twice your class level, which can't
be lessened by damage reduction or any similar benefit. A
non-neutral dragonfire adept instead takes damage equal to
four times her class level. In addition, you can't use this breath
weapon in the round following the one in which you apply this
breath effect.
If you need to, look at the Fivefold Breath of Tiamat (Pure Crack for Evil aligned DFAs) and the Discorperating Breath of Bahamut (shameful that it has Bahamut attached to the end).