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