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