An Invoker is a mage who specializes in the manipulation of raw and elemental energies. They specialize in the school of Evocation.
Advantages: May cast one additional spell per level. Receives a +2 bonus on saving throws against Evocation spells (all spells, including priest spells cast on them); and gives enemies a -2 to their saves against the caster's Evocation spells.
Disadvantages: May not learn or cast any spells of the Enchantment school.
Notes[]
In 
Baldur's Gate (1998)
This icon indicates content from the original Baldur's Gate campaign. and 
Baldur's Gate: Tales of the Sword Coast (1999)
This icon indicates content from the original Baldur's Gate: Tales of the Sword Coast campaign. Invokers were additionally restricted from learning or casting any spells of the Conjuration school.