The Spells Campaign is given to the player by Harald "The Knowledge Seeker" after the completion of the Adventurer's Test dungeon. It consists of 9 quests, with increasing difficulty, which enable the player, upon completion, to use the spells. The dungeons are marked with a blue globe on the Adventure Map.
The dungeons are populated by Spell Guardians, which are a type of enemies specific to this campaign. The chests vary in number and type, and so do the mobs.
Two spells can not be obtained with this method and can only be cast after reaching a certain spot in the main campaign. The spell you receive at that time depends on whether the player is aligned with The Ascended or The Demons and unlocks a different spell for each choice: