Cerebremancer

At each level except 2nd, 5th, and 8th, you progress an arcane spellcasting class you already possess. If you possess more than one arcane spellcasting class, you must decide to which class you add each new level of progression.

At each level except 1st, 4th, and 7th, you progress a psionic manifesting class you already possess. If you possess more than one manifesting class, you must decide to which class you add each new level of progression. Note that there are several abilities granted by this class that allow you to spend power points to modify aspects of an arcane spell. When using these abilities, the maximum number of power points you can spend is limited by your manifester level.

At 1st level, you learn to blend your arcane spells with your psionic powers in new and unusual ways. You are able to “borrow” certain elements of either spellcasting or manifesting to enhance the other, as long as the spell or power is lower than or equal to your twin wells score. Thus, a 3rd-level cerebremancer could affect any arcane spell or psionic power of 2nd-level or lower with this ability. When you cast an arcane spell, you may expend power points to replace verbal and somatic components as well as material components worth 1 gp or less. You expend 2 power points as a free action for each component you replace. You cannot expend more power points to than your manifester level. You may use either your primary spellcasting ability or primary manifesting ability to determine the save DCs for your arcane spells and psionic powers. So, a wizard 5/wilder 4/cerebremancer 2 could use either Intelligence or Charisma to determine his save DCs for his wizard spells and wilder powers.

Beginning at 2nd level, you can blend your arcane and psionic energies to offset the cost of metamagic and metapsionic feats. When manifesting a psionic power augmented by a metapsionic feat, you may sacrifice a single prepared spell or spell slot to reduce the power point cost of the metapsionic feat by 2 * the level of the spell. This power point reduction applies only to the added cost of the metapsionic feat and does not otherwise reduce the power point cost to manifest the power. If a power is modified by multiple metapsionic feats, this ability can only be applied to one of those feats. When applying a metamagic feat to an arcane spell (either when preparing the spell or spontaneously casting it), you may offset the spell level adjustment of the metamagic feat by expending power points, reducing the spell level adjustment by 1 for every 3 power points spent. This applies only to the spell level increase from the applied metamagic feat and cannot reduce a spell’s effective level below its original spell level. If a spell is modified by multiple metamagic feats, this ability can only be applied to one of those feats.

At 3rd level, your caster level for all arcane spells and manifester level for all psionic powers each increase by 1. They each increase again at 6th level and 9th level (to a maximum of +3).

At 5th level, you learn to manipulate your arcane magic and psionics in a way that allows you to apply metamagic feats to your psionic powers and metapsionic feats to your arcane spells. If there is an equivalent feat (such as Extend Spell and Extend Power), then applying a feat acts exactly as its counterpart, except for the cost. If there is no equivalent feat, then you apply as much as possible from the feat and ignore the rest. (For example, Still Spell would have no effect on manifesting powers, as they have no somatic components). When applying a metapsionic feat to an arcane spell, you must expend your psionic focus and spend a number of power points just as stated in the feat. You cannot spend more power points than your manifester level. When applying a metamagic feat to a psionic power, you must expend a prepared spell or spell slot with a spell level equal to or higher than the spell level adjustment of the metamagic feat. So, applying Empower Spell would require expending a 2nd-level or higher arcane spell.

Beginning at 7th level, you may augment your psionic powers using arcane magic. When you manifest a psionic power, you may expend a single prepared spell or spell slot as part of that manifestation to gain 2 temporary power points per level of the spell expended. These temporary power points may be spent only to augment the psionic power being manifested and are lost if not used immediately. You must still pay the base cost of the power and may not use these temporary power points to do so. As normal, you may not spend more power points to manifest a power than your manifester level.

When you reach 10th level, you may cast spells using only the power of your mind. When you cast an arcane spell, you may expend your psionic focus and spend 5 power points per level of the spell being cast as part of the action to cast the spell. If you do, the prepared spell or spell slot is not expended and remains available to cast. As with manifesting a power, you cannot spend more power points to cast a spell than your manifester level.