Here is the full list of all 29 Spellstone achievements.
Successfully craft 10 Epic Runes.
Successfully craft an Epic Rune.
Successfully craft 10 Rare Runes.
Collect a total of 200 Mastery Stars
Obtain Bounty Rank 10.
Successfully craft a Rare Rune.
Collect a total of 100 Mastery Stars
Collect a total of 50 Mastery Stars
Upgrade cards 100 times.
Complete the 'Trial by Fire' campaign.
Complete the 'Tales from the Swamp' campaign.
Collect a total of 500 Arcane Dust from Vaporized cards.
Complete the 'Big Mama' campaign.
Complete the 'Swamp Lands' campaign.
Obtain Bounty Rank 5.
Complete 'The Void Core' campaign.
Complete the 'Eater of Rock' campaign.
Complete the 'Void's Ambush' campaign.
Upgrade cards 30 times.
Create a Quad Fusion.
Complete the 'Karthos, Lair of Chaos' campaign.
Collect a total of 50 Arcane Dust from Vaporized cards.
Complete 'The City of Luminis' campaign.
Complete the 'Castle on the Rocks' campaign.
Upgrade cards 5 times.
Obtain Bounty Rank 2.
Complete the 'Source of Chaos' campaign.
Complete the 'Chaos Contagion' campaign.
Create a Duo Fusion.