Here is the full list of all 54 Nine Parchments achievements.
Collect a hat
Collect a wizarding staff
Kill one of the large and scary monsters that tend to guard mystical spell parchments
Complete the game
Combine beams three times into one beam
Possess spells of four different elements in your spellbook
Kill five enemies within ten seconds with the Fire Beam spell
Deal fire damage to eight targets within one second
Deal at least 1500 damage with a single Fire spell cast
Possess four different Fire spells in your spellbook
Kill at least five targets with a single Fire spell cast
Heal for 1000 points in a single fight
Heal yourself with Heal Barrage, Bouncing Heal, Huge Healball or Healing Beam
Receive 300 points worth of healing from someone else during a single fight
Complete a battle with all players uninjured
Have five enemies kill each other during one fight
Possess three different Life spells in your spellbook
Deal 2000 Death damage during a single fight
Kill five targets with a single area spell cast
Deal at least 2000 damage with a single spell cast
Have the monsters or students kill each other at least five times during a single fight
Win a fight using only Death spells
Possess four different Death spells in your spellbook
In a single fight, freeze any five targets within one second of each other
Using only Ice spells, prevent a ranged enemy from attacking with ranged abilities during a fight
Deal at least 1500 damage with a single Ice spell cast
Possess three different Ice spells in your spellbook
Kill five characters with a single Ice spell cast
Five targets are stunned at the same time
Using only Lightning spells, prevent a ranged enemy from attacking with ranged abilities during a fight
Win a fight using only Lightning spells
Possess four different Lightning spells in your spellbook
Kill five characters with a single Lightning spell cast
Deal at least 1500 damage with a single Lightning spell cast
Visit every level in the game
Melee all enemies in a single fight
Kill a target in full health with a single physically dealt damage
Complete the game in Hard difficulty
Collect a hat in Hardcore difficulty
Complete a fight in five seconds in Hardcore difficulty
Defeat all bosses as Amadeus
Collect nine parchments as Amadeus
Kill yourself or a fellow student with the box spell
Defeat the game in Hardcore difficulty as Amadeus
Create three boxes during a single fight
Obtain four different elemental spells as Amadeus
Win a fight using only Fire spells
Keep a target frozen for 8 seconds straight