Wizard enhancements (history)

Level 1

 * Energy of the Scholar I: Grants 20 extra spell points.
 * Combustion I: +20% damage to 1st-level fire spells (Burning Hands).
 * Glaciation I: +20% damage to 1st-level cold spells.
 * Magnetism I: +20% damage to 1st-level electricity spells (Shocking Grasp).
 * Reconstruction I: +20% effect to 1st-level repair spells (Repair Light Damage).
 * Skill Resourcefulness I: Grants a +3 bonus to Repair and Search skills.
 * Skill Tactics I: Grants a +3 bonus to Concentration and Diplomacy skills.

Level 2

 * Energy of the Scholar II: Grants 30 extra spell points.
 * Intellect of the Wizard I: +1 Intelligence.
 * Improved Combustion I: +30% damage to 1st-level fire spells.
 * Improved Glaciation I: +30% damage to 1st-level cold spells.
 * Improved Magnetism I: +30% damage to 1st-level electricity spells.
 * Improved Reconstruction I: +30% effect to 1st-level repair spells.

Level 3

 * Energy of the Scholar III: Grants 40 extra spell points.
 * Greater Combustion I: +40% damage to 1st-level fire spells.
 * Greater Glaciation I: +40% damage to 1st-level cold spells.
 * Greater Magnetism I: +40% damage to 1st-level electricity spells.
 * Greater Reconstruction I: +40% effect to 1st-level repair spells.
 * Combustion II: +20% damage to 2nd-level and lower fire spells.
 * Glaciation II: +20% damage to 2nd-level and lower cold spells.
 * Magnetism II: +20% damage to 2nd-level and lower electricity spells.
 * Reconstruction II: +20% effect to 2nd-level and lower repair spells.
 * Skill Resourcefulness II: Grants a +4 bonus to Repair and Search skills.
 * Skill Tactics II: Grants a +4 bonus to Diplomacy and Concentration
 * Improved Heightening I: Reduces the spell point cost while using Heighten Spell.

Level 4

 * Energy of the Scholar IV: Grants 50 extra spell points.
 * Improved Empowering I: Reduces the spell point cost while using Empower Spell. (-%10 of the total cost. 1st: 18, 2nd: 27.)

Level 5

 * Energy of the Scholar V: Grants 60 extra spell points.
 * Intellect of the Wizard II: +2 Intelligence.
 * Improved Combustion II: +30% damage to 2nd-level fire spells.
 * Improved Glaciation II: +30% damage to 2nd-level cold spells.
 * Improved Magnetism II: +30% damage to 2nd-level electricity spells.
 * Improved Reconstruction II: +30% effect to 2nd-level repair spells.
 * Skill Resourcefulness III: Grants a +5 bonus to Search and Repair skills.
 * Skill Tactics III: Grants a +5 bonus to Diplomacy and Concentration skills

Level 6

 * Energy of the Scholar VI: Grants 70 extra spell points.
 * Combustion III: +20% damage to 3rd-level fire spells.
 * Glaciation III: +20% damage to 3rd-level cold spells.
 * Magnetism III: +20% damage to 3rd-level electricity spells.
 * Reconstruction III: +20% effect to 3rd-level repair spells.
 * Improved Heightening II: Reduces the spell point cost while using Heighten Spell.

Level 7

 * Energy of the Scholar VII: Grants 80 extra spell points.
 * Combustion IV: +20% damage to 4th-level fire spells.
 * Glaciation IV: +20% damage to 4th-level cold spells.
 * Magnetism IV: +20% damage to 4th-level electricity spells.
 * Reconstruction IV: +20% effect to 4th-level repair spells.
 * Skill Resourcefulness IV: Grants a +6 bonus to Concentration and Repair skills.

Level 8

 * Energy of the Scholar VIII: Grants 90 extra spell points.
 * Intellect of the Wizard III: +3 Intelligence.

Level 9

 * Energy of the Scholar IX: Grants 100 extra spell points.
 * Combustion V: +20% damage to 5th-level fire spells.
 * Glaciation V: +20% damage to 5th-level cold spells.
 * Magnetism V: +20% damage to 5th-level electricity spells.
 * Reconstruction V: +20% effect to 5th-level repair spells.
 * Skill Resourcefulness V: Grants a +7 bonus to Concentration and Repair skills.

Level 10

 * Energy of the Scholar X: Grants 110 extra spell points.

Unconfirmed
The following enhancements appear in the game data files but their implementation has not been confirmed yet:
 * Improved Empowering II and III
 * Improved Heightening III
 * Improved Maximize I and II
 * Skill Tactics IV and V