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