Here is the full list of all 17 Fantasy Monster Clicker achievements.
Get $1000000 Coins
Get $100000 Coins
Unlock Chapter 8
Unlock Chapter 7
Unlock Chapter 6
Unlock Chapter 5
Unlock Chapter 4
Make coin amount level 10
Make click damage level 10
Get $10000 Coins
Unlock Chapter 3
Make auto click level 10
Unlock Chapter 2
Get $1000 Coins
Make your first upgrade
Get $100 Coins
Monsters is waiting for you