Full list of all 15 Knight Bewitched achievements.
The base game contains 7 achievements, and there is 1 DLC pack containing 8 achievements.
Defeat the final boss.
Beat the game on Heroic difficulty.
Beat the game on Hard (or Heroic) difficulty.
Defeat Strife.
Defeat Ogopogo.
Obtain Ascended Sylvanaras.
Obtain all four Arcanite weapons.
Discover 10 secret areas (Enhanced Edition Only).
Slay 10 unique Alpha Beasts (Enhanced Edition Only).
Slay Typhus the Dead (Enhanced Edition Only).
Obtain the transformable Daedalus bow (Enhanced Edition Only).
Obtain Gwen's ultimate weapon Schicksalsschlag (Enhanced Edition Only).
Defeat Al Keyhaul (Enhanced Edition Only).
Complete the Malady's Gambit sidequest (Enhanced Edition Only).
Defeat the alternate final boss (Enhanced Edition Only).