Here is the full list of all 15 Swords & Bones achievements.
Buy all Spells
Buy all HP upgrades
Buy all MP upgrades
Complete ALL levels
Collect all 36 Heroes' Trophies
Beat level 5
Beat level 4
Beat level 3
Break a damned block
Buy Winged Boots
Beat level 2
Beat level 1
Collect 2000 money
Open a treasure
Grab a key