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