Full list of all 115 Titan Quest Anniversary Edition achievements.
The base game contains 76 achievements, and there are 3 DLC packs containing 39 achievements.
Beat Legendary difficulty as a Rune Mastery character
Improve a legendary item
Have 10 enemies immobilized at the same time
Journey north of the Alps
Acquire the mistletoe
Open the ancient gate
Find new friends
Finish the main storyline
Find Andvari's lost treasure
Have ten different class characters of at least level ten
Defeat King Arganthonios
Defeat The Ancient One
Defeat Ladon
Defeat Tiamat
Defeat Lyktos
Defeat Tartarus on Normal difficulty
Defeat Tartarus on Epic difficulty
Defeat Tartarus on Legendary difficulty
Defeat Qiong Qi
Defeat Sihai Longwang
Defeat Akhenaten
Defeat the Suns
Beat Legendary difficulty as a Neidan character
Buy a monster item from Bao
Buy an infrequent monster item from Bao
Talk with the Yellow Emperor
Defeat Feiyi
Complete all Eternal Embers quests
Defeat all the developers
Equip a complete Eternal Embers set
Finish Eternal Embers with zero deaths
Defeat the Exhumed Medjai
Defeat the Terracotta General
Drink every new potion
Defeat Mr. Fae
Defeat Prosoro
Defeat Dimonoider