1Levels
The game has this turned off for now, so it is never offered.
Lv1 10 PP
Allows you to turn junk items into raw materials (up to 3 times per day).
Lv2 13 PP
Allows you to turn junk items into raw materials (up to 3 times per day).
Lv3 15 PP
Allows you to turn junk items into raw materials (up to 3 times per day).
Lv4 18 PP
Allows you to turn junk items into raw materials (up to 3 times per day).
Lv5 20 PP
Allows you to turn junk items into raw materials (up to 3 times per day).
2Who can learn it
Every character can learn it.