(( This is meant as prestige class for Shiina, based on the 3.5 Incantatrix from Player's Guide To Faerun. ))

Incantatrix

Incantatrixes are the definitive practitioners of metamagic, devoting themselves to the study of spells and techniques that affect other spells. They deal with magic in its raw form, shaping it according to their own desires rather than any external laws of magic They can apply their deep understanding of metamagic to alter spells their allies cast, or even spells that have already been cast.

Most incantatrixes were previously skilled wizards or sorcerers although a few bards also study this type of magic. Divine spellcasters rarely adopt. Most incantatrixes are female; the rare males who take up this class are known as incantator.

Hit Die: d6

Requirements: Knowledge (Arcana) 5 ranks, Spellcraft 5 ranks

Feats: Iron Will, any one metamagic feat.

Spellcasting: Able to cast 3rd-level arcane spells.

Special: The candidate cannot have abjuration as a prohbited school.

--Table--

Class Skills:

The incantatrix's class skills (and the key ability for each skill) are Craft (Int), Heal (Wis), Intimidate (Cha), Knowledge (arcana)(Int), Knowledge(planes)(Int), Profession(Wis) and Spellcraft(Int)

Skill Points at Each Level: 2 + Int modifier

Class Features:

All of the following are class features of the incantatrix prestige class.

Weapon and Armor Proficiency: Incantatrixes gain no proficiency with any weapon or armor.

Spells per Day/Spells known: When a new incantatrix level is gained, the character gains new spells per day as if she had also gained a level in a spellcasting class she belonged to before adding the prestige class. She does not, however, gain other benefits a character of that class would have gained, except for additional spells per day, spells known (if she is a spontaneous spellcaster), and an increased effective level of spellcasting. If a character had more than one spellcasting class before becoming an incantatrix she must decide which class she adds the new level for purposes of determining spells per day.

Bonus Metamagic feat: At 1st level, and again at 3rd,5th, 7th and 9th level, the incantatrix may select any metamagic feat as a bonus feat. She must meet any prerequisites for a feat in order to select it.

(( Added 1 more feat to 3rd level, because that is the least powerfull of 2-3. Moved 10th level feat to 9th level because otherwise level 9 only gets an additional use of seize concentration ))

Focused Studies (Ex): At 1st level, the incantatrix gives up a school of magic so as to focus more on the remaining schools. She must choose a school of magic other than abjuration or divination as a prohibited school. This prohibited school is in addition to any others already chosen due to school specialization. Thus, a specialized wizard taking this prestige class has three prohibited schools instead of two.

Cooperative Metamagic (Su): At 2nd level, an incantatrix gains the ability to apply any metamagic feat she possesses (except Silent Spell, Still Spell, or Quicken Spell) to a spell being cast by a willing allied spellcaster. The caster need not prepare the spell in a metamagic form or in a higher-level spell slot; the incantatrix simply modifies the spell during the casting. Using this ability is a standard action that provokes an attack of opportunity, just like casting a spell, though the incantatrix can use defensive casting. The incantatrix must ready an action to use cooperative metamagic when her ally begins casting and must be adjacent to the caster. The incantatrix must make a Spellcraft check (DC 18 + [3 x modified spell level]) to succeed. "Modified spell level" is the level of the spell slot that the spell would occupy if it were prepared with the metamagic feat applied. Any spell level increases from metamagic feats that the caster applied also count toward the modified spell level. For example, if an incantatrix applies the Maximize spell feat to an ally's chain lightning spell, the modified spell level is 9th (6th for the spell, +3 for the Maximize spell feat), and the DC is 18 + (3 x 9) = 45. If She applies the same feat to an ally's silent chain lightning spell, the modified spell level is 10th and the Spellcraft DC is 48. An incantatrix can use this ability a number of times per day equal to 3 + her Int modifier.

Metamagic Effect (Su): At 3rd level, an incantatrix can attempt to apply a metamagic feat she possesses to a persistent spell effect that is already in place. For example, she could use Extend Spell to extend the duration of a wall of force or Maximize Spell to maximize the damage dealt by a cloudkill. To use this ability, the incantatrix must be adjacent to or within the spell effect and make a successful Spellcraft check (DC 18 + [3 x modified spell level]. "Modified spell level" is the level of the spell slot that the spell would occupy if it were prepared with the metamagic feat applied. Spell slot increases for metamagic feats that were applied to affect the spell's casting (such as Still Spell, Silent Spell, or Quicken Spell) do not count toward the modified spell level, but adjustments for metamagic that change the spell's effect (such as Empower Spell, Enlarge Spell, or Widen Spell) do count.

For example, applying the Extend Spell feat to a wall of fire gives it a modified spell level of 5th (4th for the spell +1 for the Extend Spell feat), so the DC would be 18 + (3 x 5) = 33. If the wall of fire had been cast with the Silent Spell feat applied, the DC is still 33, since that feat applies to the spell's casting, not its effect. On the other hand, extending an empowered wall of fire would give it a modified spell level of 7th and a Spellcraft DC of 39.

An incantatrix can use this ability a number of times per day equal to 3 + her Int modifier. Using this ability is a full-round action that provokes attacks of opportunity.

Counterspell Mastery (Su): At 4th level, an incantatrix can use her mastery of metamagic to subtly disrupt an opposing spellcasters spells. The incantatrix can attempt to counterspell an opponent's spell once per day as an immediate action (instead of a readied action). You must use a spell at least one level higher than the spell being countered to use this ability, and of the same spell school. You can use this ability once per day at 4th level, and twice per day at 8th level.

(( Based on one of the Counterspell School powers from the focused arcane schools, Advanced Players Guide 144. ))

Seize Concentration (Su): At 6th level, an incantatrix gains the ability to wrest control of a spell that requires concentration (such as imposion, major image, or summon swarm) from another spellcaster within 30 feet. If the target spellcaster is willing, this transfer of concentration occurs automatically. Otherwise, the incantatrix and the target spellcaster make an opposed caster level check. A divine or psionic spellcaster receives a +2 bonus on this check. If the incantatrix wins, she gains control of the spell for as long as she maintains concentration or until the original spell duration expires. The spell functions as though the incantatrix were the caster (even if it is a spell she cannot cast), except that any variables determined when the spell was cast (including its caster level) remain as determined by the original caster. The original spellcaster can be affected by his own spell, though he receives a +2 circumstance bonus on any saving throw allowed against it. If the incantatrix allows her concentration to lapse before the spell duration expires, the original caster may reassert control over his spell by making a successful caster level check (DC15 + spell level). If he fails to do so, no one controls the spell.

Instant Metamagic (Su): Once per day, a 7th-level or higher incantatrix can apply a single metamagic feat she possesses to a spell without preparing it that way beforehand (if she prepares spells) or increasing its casting time (if she does not prepare spells). Thus a wizard's prepared spell works as if she had prepared if she had prepared it with the metamagic feat, but it does not use a higher-level spell slot. A sorcerer or bard's spell is cast without adjusting its casting time, but it works as if he had cast it with the metamagic feat. A 9th-level incantatrix can use this power twice per day.

Snatch Spell (Su): At 8th level, an incantatrix can attempt to seize control over a persistant effect created by another spellcaster. The effect must be one that does not depend on concentration but still relies on or responds to the caster's control (such as a summon monster spell or spiritual weapon, but not a wall of fire or acid fog). Furthermore, the effect (but not necessarily the spellcaster) must be withint 30 feet of the incantatrix. The target spellcaster and the incantatrix make an opposed caster level check. A divine or psionic spellcaster receives a +2 bonus on this check. If the incantatrix wins, she gains control of the spell until its original duration expires. The spell functions as though the incantatrix had cast it, except that any variables determined when the spell was cast (including its caster level) remain as determined by the caster. The original caster can be affected by his own spell, though he receives a +2 circumstance bonus on any saving throw allowed against it. If the spell is dismissible and the incantatrix wishes to dismiss it, she must make a second successful opposed caster level check to do so. If she fails, the spell remains in effect and control reverts to the original caster.

Improved Metamagic (Su): At 10th level, an incantatrix has mastered metamagic to such an extent that whenever she uses a metamagic feat, the required increase in spell level (if any) is reduced by one (minimum +1 spell level). For example, a wizard incantatrix could prepare a quickened fireball as a 6th-level spell instead of a 7th-level spell.

This benefit also applies to an incantatrix's other class abilities. Thus, the DC for using her metamagic effect or cooperative metamagic ability is reduced appropriately for the metamagic feats involved, and she spends fewer charges when using metamagic spell trigger.

Metapsionic cooperation

A gestalt Incantatrix can develop the abilities needed to modify not just arcane and divine spells, but also psionic spells.

This allows Cooperative Metamagic and Metamagic Effect to function on psionic spells. Metamagic feats function on psionic spells as if they were the metapsionic equivalent of the known feats, if those are available in the ruleset. If not, you should work with the Dungeon Master to find some equivalence.

A Modified Spell level is required to determine the spellcraft check of Cooperative Metamagic. The Modified spell level is equal to (modified power point cost+1)/2. Modified power point cost is the power point cost expended by the caster, plus the power points increased by the equivalent metapsionic feat.