Demonology in Heroes 4

Basic Demonology increases the effectiveness of Death Magic spells by 20%. Learning Basic Demonology and Basic Nature Magic will give the hero the Summon Imp spell. Basic Demonology is one of the requirements for Expert Death Magic.

Advanced Demonology increases the effectiveness of Death Magic spells by 40%. Learning Advanced Demonology and Advanced Nature Magic will give the hero Summon Cerberus. Advanced Demonology is one of the requirements for Master Death Magic.

Expert Demonology increases the effectiveness of Death Magic spells by 60%. Learning Expert Demonology and Expert Nature Magic gives the hero the Summon Ice Demon spell. It is one of the requirements for Master Death Magic.

Master Demonology increases the effectiveness of Death Magic spells by 80%. Learning Master Demonology and Master Nature Magic gives the hero the Summon Venom Spawn spell. Master Demonology is one of the requirements for Grandmaster Death Magic.

Grandmaster Demonology increases the effectiveness of Death Magic spells by 100%. Learning Grandmaster Demonology and Grandmaster Nature Magic gives the hero the Summon Devils spell. Grandmaster Demonology is one of the requirements for Grandmaster Death Magic.