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