No missable achievements (plus 59 unknown)
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Choose your first sigil
Craft your first spell
Find 20 Loot Orbs
Find all of the Plaques in Old Drivasser
Complete any Vortex Portal
Level your Fire Sigil to 16
Level your Ice Sigil to 16
Complete an entire New Game Plus sequence
Level your Lightning Sigil to 16
Level your Kinesis Sigil to 16
Find all of the Plaques in Zasad
Craft a Spell with a Unique Pattern and 4 Legendary Augments
Find all of the Plaques in the Grey Teeth
Find all of the Plaques in the Maelstrom
Level your Phase Sigil to 16
Complete an entire series of Vortex Portals in one sitting
Level your Necromancy Sigil to 16
Level your Corruption Sigil to 16
Equip nine unique spells
Find all of the Plaques in Lost Zasad
Find all of the Plaques in Drivasser
Find all of the Plaques in the Sinkhole
Find all of the Plaques in Soddentrod
Level your Delirium Sigil to 16
Complete three sets of Vortex Portals
Complete all Skirmish Portals
Complete all Hunt Portals
Complete all Disable Portals