Here is the full list of all 44 Aragami 2 achievements.
Find all collectibles in Akatsuchi Palace
Charm an enraged Fanatic
Find all collectibles in Woods of Memory
Complete Chapter 9
Reach Level 30
Complete Chapter 8
Counter a fireball thrown by a Scorcher
Find all collectibles in Distant Countryside
Perform a Shadow Pull on a Gatekeeper
Complete Chapter 7
Apply a Dye for the first time
Equip the armor of a legendary hero
Complete Chapter 6
Find all collectibles in Akatsuchi’s Capital
Eliminate 10 enemies while clinging to a wall
Complete Chapter 5
Find all collectibles in Devastated Village
Obtain an S-Rank in 10 missions
Eliminate 10 enemies while hiding in tall grass
Find all collectibles in Kakurega Village
Perform a Stealth Assassination on a Nenshö Aragami
Eliminate 25 enemies while grabbed to a ledge
Complete Chapter 4
Find all collectibles in Daikizo Mine
Find all collectibles in Isolated Village
Kill 300 enemies
Complete Chapter 3
Find all collectibles in Highcastle
Find all collectibles in Lone Mountain
Perform a Shadow Kill
Craft your first Equipment piece
Complete Chapter 2
Find all collectibles in Big Akatsuchi Mine
Complete Chapter 1
Knock out 100 enemies
Unlock an Ability
Apply your first Essence Runes
Purchase a Support Item for the first time
Unlock a Shadow Power
Eliminate 25 enemies while airborne
Complete your first mission
Find a hidden collectible
Complete the Prologue
Skip a cinematic