Shattered Obelisk Invasion

2017 event arc Shattered Obelisk Invasion included loot from mages similar to the Shadowlord Invasion spell books from 2008.

These are highly prized for the high Spell Damage Increase.

Invasion Spellbooks

Slayer Spellbook

Property Maximum
(slayer type) Slayer Random
Defense Chance Increase 10%
Spell Damage Increase 30%
Faster Cast Recovery 2
Lower Mana Cost 5%


Non-Slayer Spellbooks

Property Maximum
Spell Damage Increase 50%
Mana Regeneration 3
Faster Casting 1
Lower Reagent Cost 10%