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