From The Heroes of Might and Magic III wiki
		
		
		
| Mage Guilds | 
| Structure | Cost | Requirements | Benefits | 
| Mage Guild Level 1 |  | • Village Hall | Five level 1 spells become available for heroes to learn. Heroes are able to purchase a spell book for 500  . | 
| Mage Guild Level 2 |  | • Mage Guild Level 1 | Four level 2 spells become available for heroes to learn. | 
| Mage Guild Level 3 |  | • Mage Guild Level 2 | Three level 3 spells become available for heroes to learn. | 
| Mage Guild Level 4 |  | • Mage Guild Level 3 | Two level 4 spells become available for heroes to learn. | 
| Mage Guild Level 5 |  | • Mage Guild Level 4 | One level 5 spell becomes available for heroes to learn. |