Here is the full list of all 50 Tower and Sword of Succubus achievements.
Watch the ending.
Beat the game on "Normal Mode"
Defeat the final boss.
Remove the curse on the armor blacksmith.
Beat the Snow Temple.
Join forces with the swordswoman at the tavern.
Have an audience with the Succubus Queen.
Search for the sweetheart of the phantom Anna.
Achieve a part-time work score of 10000 points.
Purchase the Succubus Ring.
Give golem material to a witch.
Charm and defeat 50 enemies.
Defeat 300 enemies.
Collect all of the treasure in the tower.
Collect every book.
Collect all status up items.
Beat the game on "Normal Mode".
Defeat the Succubus Queen.
Defeat the Golden Slime.
Defeat the fifth succubus.
Defeat Fred, the wandering hero.
Destroy 200 vases.
Defeat the fourth succubus.
Defeat the third succubus.
Defeat 100 enemies.
Defeat the second succubus.
Defeat the first succubus.
Charm and defeat an enemy for the first time.
Watch the opening event
Beat the Desert Temple.
Charm and defeat 30 enemies.
Successfully give a massage.
Beat the Forest Temple.
Sell milk to a witch.
Watch the opening event.
Unlock all achievements.
Charm and defeat 100 enemies.
Beat the game without taking a single treasure chest.
Beat the game without collecting a single status up item.
Beat the game on "Original Mode".
Cut 200 blades of grass.
Beat the game on "Master Mode".