Here is the full list of all 12 Blade Kitten trophies - there are 7 bronze, 4 silver and 1 gold.
Defeat Acland - successfully complete Act 1
Defeat the Dreadnaught - successfully complete Act 2
Defeat 100 enemies using slide
Complete any level without losing health
Defeat 5,000 enemies
Total best level times of 90 minutes or less
Purchase all the Free Blades from Hundert Tonne
Purchase all the costumes from Hundert Tonne
Find all the treasure chests in the game
Die nine times in any one level
Defeat 10 enemies in a row without losing health
Perch on and throw an enemy