To unlock the following Achievements, complete the following tasks.

Achievement	How to unlock
Clear Chapter 1	Complete the Main Story Chapter 1.
Clear Chapter 2	Complete the Main Story Chapter 2.
Clear Chapter 3	Complete the Main Story Chapter 3.
Clear Chapter 4	Complete the Main Story Chapter 4.
Clear Chapter 5	Complete the Main Story Chapter 5.
Clear Chapter 6	Complete the Main Story Chapter 6.
Clear Chapter 7	Complete the Main Story Chapter 7.
Clear Chapter 8	Complete the Main Story Chapter 8.
Clear Chapter 9	Complete the Main Story Chapter 9.
Clear Prologue	Complete the Main Story Prologue.
Get Carpeted Castle	Upgrade your Castle to Level 3 "Carpeted Castle".
Get Columned Castle	Upgrade your Castle to Level 2 "Columned Castle".
Get Ornate Castle	Upgrade your Castle to Level 4 "Ornate Castle".
Get Royal Castle	Upgrade your Castle to Level 5 "Royal Castle".
Get Torchlit Castle	Upgrade your Castle to Level 1 "Torchlit Castle".