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