Here is the full list of all 23 My Master's A Moron achievements.
Unlocked Crystals
Unlocked Flasks
Unlocked Items
Unlocked Shrines
Unlocked Bank
Killed 10 Monsters
Killed 100 Monsters
Killed 500 Monsters
Earn 100 Gold
Earn 1000 Gold
Earn 10,000 Gold
Purchase an Upgrade
Purchase 10 Upgrades
Died
Died 10 Times
Unlocked Demoness
Unlocked Constantin
Unlocked Mimic
Unlocked Vineon
Defeated Boss: Azlel
Defeated Boss : Lord Faine
Defeated Boss: King of Demons
Unlocked Gear