Spell Gems

Spell Gems are 33 gems for Iron’s Spells 'n Spellbooks builds, from Iron’s itself and from Fallen Gems & Affixes: school spell power, school levels and other spellcasting bonuses. All drop at random in every dimension. A 34th, the Omnispell Level Gem, is disabled.

Gems#

Gem Rarities Bonus at the highest rarity (first line)
Arcane Catalyst Rare–Ancient Staffs: +10% Evocation Spell Power
Ash of Yggdrasil Common–Ancient Weapons: +50% Damage to Dragons
Blood Gem Common–Ancient Anything: +10% Blood Spell Power
Blood Level Gem Epic–Ancient Helmets: +1 Blood School Level
Divine Stone Rare–Ancient Staffs: +10% Holy Spell Power
Eldritch Gem Common–Ancient Anything: +10% Eldritch Spell Power
Eldritch Level Gem Epic–Ancient Helmets: +1.2 Eldritch School Level
Emberheart Shard Rare–Ancient Staffs: +10% Fire Spell Power
Ender Gem Common–Ancient Anything: +10% Ender Spell Power
Ender Level Gem Epic–Ancient Helmets: +1 Ender School Level
Evocation Level Gem Epic–Ancient Helmets: +1 Evocation School Level
Fire Level Gem Epic–Ancient Helmets: +1 Fire School Level
Frostvein Crystal Rare–Ancient Staffs: +10% Ice Spell Power
Frozen Gem Common–Ancient Anything: +10% Ice Spell Power
Gem of Arcane Efficiency Common–Ancient Anything: +10% Cast Time Reduction
Gem of Arcane Protection Common–Ancient Armor: +15% Spell Resistance
Gem of Arcane Recovery Common–Ancient Anything: +10% Cooldown Reduction
Hemolith Shard Rare–Ancient Staffs: +10% Blood Spell Power
Holy Gem Common–Ancient Anything: +10% Holy Spell Power
Holy Level Gem Epic–Ancient Helmets: +1 Holy School Level
Ice Level Gem Epic–Ancient Helmets: +1 Ice School Level
Illager's Gem Common–Ancient Anything: +10% Evocation Spell Power
Inferno Gem Common–Ancient Anything: +10% Fire Spell Power
Intelligence Gem Common–Ancient Anything: +50 Max Mana
Lightning Level Gem Epic–Ancient Helmets: +1 Lightning School Level
Natural Gem Common–Ancient Anything: +10% Nature Spell Power
Nature Level Gem Epic–Ancient Helmets: +1 Nature School Level
Necromancy Gem Common–Ancient Anything: +15% Summon Damage
Nyxite Crystal Rare–Ancient Staffs: +10% Ender Spell Power
Omnispell Level Gem — Disabled in Soulrend
Storm Gem Common–Ancient Anything: +10% Lightning Spell Power
Thunderheart Fragment Rare–Ancient Staffs: +10% Lightning Spell Power
Verdanite Shard Rare–Ancient Staffs: +10% Nature Spell Power
Voidmancer's Eye Rare–Ancient Staffs: +10% Eldritch Spell Power