Here is the full list of all 50 Toukiden 2 achievements.
Eat 20 meals.
Bathe with someone of the opposite sex in the Pool of Purity.
Clear Chapter 7.
Acquire 100 different types of armor.
Bring one of your companions on 50 missions overall
Increase the Security Rating of all of the Ages in "Toukiden 2" to their max value.
Complete 30 quests.
Acquire a total of 1 million Haku.
Destroy 500 Oni body parts.
Pray 20 times.
Clear Chapter 6.
Clear Chapter 5.
Clear Chapter 4.
Dispatch a machina 30 times.
Slay 100 large Oni.
Obtain 100 kinds of weapons
Destroy all of an Oni's body parts 50 times.
Clear Chapter 3.
Slay 5 large Oni without taking a break.
Clear Chapter 2.
Raise your bond with one of your allies to its maximum level.
Upgrade all of the Boosts available with a single Mitama to their maximum level.
Clear Chapter 1.
Unlock all of the Demon Hand functions available in "Toukiden 2."
Slay 1,000 small Oni.
Purify the Otherworld for the first time.
Destroy all the body parts of a large Oni.
Be officially anointed as a Slayer.
Equip Demon Hand for the first time.
Encounter an Oni.
Obtain all of the achievements in "Toukiden 2."
Complete Phase 6.
Complete Phase 12.
Clear all of the available missions in "Toukiden 2."
Complete all training sessions in "Toukiden 2."
Fortify a weapon to its maximum level.
Fortify a piece of armor to its maximum level.
Create all of the brain circuits available in "Toukiden 2."
Bathe in the Pool of Purity 50 times.
Become friends with a Tenko.
Unlock all of the Stamps available in "Toukiden 2."
Raise your bonds with all of your allies to their maximum level.
Slay all of the Oni available in "Toukiden 2."
Obtain all of the Mitama available in "Toukiden 2."
Synthesize materials 30 times.
Activate 300 Boosts.
Obtain all of the crests available in "Toukiden 2."
Obtain all of the inscriptions available in "Toukiden 2."
Complete 10 missions with every weapon in Toukiden 2
Complete 10 missions using every battle style in Toukiden 2