Intelligence
| Intelligence | ||
|
Basic Intelligence: Basic intelligence increases a hero's normal maximum spell points by 25%. | |
|
Advanced Intelligence: Advanced intelligence increases a hero's normal maximum spell points by 50%. | |
|
Expert Intelligence: Expert intelligence doubles a hero's normal maximum spell points. | |
Intelligence is one of the secondary skills. It increases the hero's maximum spell points depending on the level of the skill. Normal maximum spell points are ten times the knowledge skill, but at basic level of the intelligence skill they are increased by 25%, at advanced level by 50% and at expert level by 100%.
In Horn of the Abyss 
, the skill percentages are decreased to 20%, 35%, and 50%.
Heroes with (Basic) Intelligence as a starting skill:
Andra the Witch
Ayden the Heretic
Caitlin the Cleric
Daremyth the Wizard
Elleshar the Druid
Iona the Alchemist
Nagash the Necromancer
Sephinroth the Warlock
Eovacius the Navigator
Heroes with an Intelligence specialty:
The following heroes all receive a 5% per level bonus to their Intelligence skill:
| Town | Class | Chance to learn |
|---|---|---|
 Castle |
Knight | 1 (lowest) |
| Castle |
Cleric | 6 |
 Rampart |
Ranger | 2 |
| Rampart |
Druid | 7 |
 Tower |
Alchemist | 4 |
| Tower |
Wizard | 10 (highest) |
 Inferno |
Demoniac | 2 |
| Inferno |
Heretic | 6 |
 Necropolis |
Death Knight | 5 |
| Necropolis |
Necromancer | 6 |
 Dungeon |
Overlord | 1 (lowest) |
| Dungeon |
Warlock | 8 |
 Stronghold |
Barbarian | 1 (lowest) |
| Stronghold |
Battle Mage | 5 |
 Fortress |
Beastmaster | 1 (lowest) |
| Fortress |
Witch | 7 |
 Conflux |
Planeswalker | 1 (lowest) |
| Conflux |
Elementalist | 8 |
 Cove |
Captain | 3 |
| Cove |
Navigator | 8 |
 Factory |
Mercenary | {{{21}}} |
| Factory |
Artificer | {{{22}}} |