Full list of all 7 Sin Slayers: The First Sin achievements.
The base game contains 6 achievements, and there is 1 DLC pack containing 1 achievements.
Kill 10 monsters in battle.
Kill 100 monsters in battle.
Kill 250 monsters in battle.
Get your entire party killed 5 times.
Complete Act I.
Sinlord Gluttony defeated.
Unlock the Blacksmith NPC.