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