Spells: Staves of Warding, Summon Phantasm Warrior, Mark of Invulnerability, Magical Wards, Static Shield Amplification (Tier II Tome): Spells: Fulmination, Lightning Focus, Evoker, Lightning Blades, Summon Lesser Storm Spirit, Lightning Torrent Warding (Tier I Tome):

Related: List of all Society Traits in AOW4 List of all Tomes Tier III and IV tomes grant +10 Casting Points.Ĭasting Points represent the magical energy or power of an empire, influencing how many and how powerful spells they can cast.Tier I and II tomes grant +5 Casting Points.The number of Casting Points provided increases with each tier: In addition to the knowledge and improvements they provide, Tomes also grant Casting Points which are used to cast spells. This means that if you want to unlock a Tier IV or V Tome, the two Tier III Tomes you’ve researched must belong to the same category of magic. However, these two Tomes must also share the same magical affinity. Tier IV and V: These Tomes become available when the empire has researched at least two Tomes from the immediate previous tier.Tier III: These Tomes become available when the empire has researched at least two Tier II Tomes.Tier II: These Tomes become available when the empire has researched at least two Tier I Tomes.Tier I: These Tomes are always available for research from the start of the game.The availability of these tiers is sequential and conditional: Further all tomes are also organized into five tiers. In all, there are 54 tomes of magic spread across 6 affinities. Additionally, each Tome provides a passive ability. They contain a range of elements that can be researched to improve your empire, including spells, hero skills, units, and special province improvements.

In Age of Wonders 4, Tomes represent the technology or knowledge tree of an empire.

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