Here is the full list of all 11 Knight Dice achievements.
Overkill an enemy with 3 damage
Deal 20 damage in hardcore mode
10 combo in crazy mode
Continue a game from a fireplace after resurrecting
Acquire the 3rd dice
Acquire the 4th dice
Win the game
Heal 4 health at the campfire in a single time
Have 4 colored page on a die
Defeat the level 1 enemy without life loss
Confirm miss at least with 3 dice