Here is the full list of all 18 古巫竞技场 Ancient Witch Arena achievements.
Complete Land of Trial on Easy difficulty.
Complete the Ruins on Easy difficulty.
Complete The Holy Land on Easy difficulty.
Complete Ice on Easy difficulty.
Complete Abyss on Easy difficulty.
Endless mode easy difficulty lasts 15 minutes.
Complete Land of Trial on Normal difficulty.
Complete the Ruins on Normal difficulty.
Complete The Holy Land on Normal difficulty.
Complete Ice on Normal difficulty.
Complete Abyss on Normal difficulty.
Endless mode normal difficulty lasts 15 minutes.
Complete Land of Trial on Hard difficulty.
Complete the Ruins on Hard difficulty.
Complete The Holy Land on Hard difficulty.
Complete Ice on Hard difficulty.
Complete Abyss on Hard difficulty.
Endless mode hard difficulty lasts 15 minutes.