Here is the full list of all 12 Death Tales achievements.
Complete ten bounties.
Meet Famine in the Mountains.
Find all three pieces of the rare, fabled Red Fox gear.
Obtain twelve life hearts.
Collect any combination of forty spells, armor, hoods, and weapons.
Complete the task: The Mother.
Complete the task: Missing Headwear.
Obtain all exclusive spells from Inan.
Defeat the Plant Boss.
Defeat the Raven Boss.
Defeat the Spider Boss.
Defeat War.