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