Empower spell

Type of feat: metamagic (general feat)
Prerequisite: ability to cast 2nd-level spells

Specifics: All variable, numeric effects of an empowered spell are increased by 50%. For example, an empowered magic missile deals one and one-half times normal damage (1d4 + 1 multiplied by 1.5). Empowerment does not increase spell duration.

Use: An empowered spell occupies a spell slot two levels higher than normal. Saving throws and opposed rolls, such as those made when dispel magic is cast, are not affected.

Notes

• Empowerment takes place after rolls are modified by non-variable effects. For example, an empowered ray of frost does (1d4 + 1) × 1.5 damage. That is, rolling a 3 gives (3+1)×1.5 = 6 damage, not 3×1.5 = 4.5, truncated to 4, plus 1 for 5 damage.
• "Variable" numeric effects means numbers that are not known before the spell is cast. That is, it means the result of dice rolls, not numbers based on the caster level.
• The "opposed rolls" not affected by this feat (in addition to the already-mentioned dispel checks) include touch attack rolls, special attack rolls (e.g. Bigby's forceful hand), skill checks, spell resistance rolls, and opposed checks.
• Rolls made only indirectly as a result of a spell — such as rolls resulting from a spell's effect but being directly caused by an attack — are not affected by this feat. This includes the chance for an attacker to miss due to concealment, damage inflicted by a polymorphed creature, bonus damage from an item property (c.f. darkfire), and damage inflicted by a damage shield (i.e. death armor, elemental shield, or Mestil's acid sheath).
• The following are the spells that possess variable numeric effects not excluded by the above considerations (including the provision that this feat does not affect durations) but that cannot be empowered with this feat. This list excludes level 8 and 9 spells, as those cannot be empowered due to the lack of spell slots above level 9.
  • Creeping doom
  • Destruction
  • Harm
  • Heal
  • Poison
  • Shades
  • Shadow conjuration
  • Greater shadow conjuration
  • Sound burst
  • Spike growth
• The following spell can have its variable duration empowered, despite durations normally not being affected by this feat.
  • Stonehold
• The following spell can be affected by this feat, but with no obvious results.
  • Shelgarn's persistent blade
  • Wounding whispers

Builder notes

Item feat: No, but it can be added with custom content.

Custom content notes

Removable: yes

Reusable: yes

Script: hardcoded

• This feat can be added to iprp_feats.2da and work as an item feat, but note that wizards and divine spellcasters will only need to have the item equipped while preparing their spellbooks and not during resting or spellcasting. Spellhooking can be used to verify that the caster has the feat if it is used as an item feat.
• Custom spells should have script support for this feat.