Here is the full list of all 15 Choose Wisely achievements.
FINISH HARD OR MASOCHIST MODE
FINISH WITH ARIEL
KILL MACHINE
KILL NAGA JAGGA
KILL HELLDRAGGER
KILL THE LION
FINISH WITH MIHAELA
FINISH WITH LYRIA
FINISH WITH MACDEATH
FINISH WITH CLAUDIUS
FINISH WITH KIMBERLY
FINISH WITH FAUST
FINISH WITH HECTOR
FINISH WITH RACHAEL
KILL 175 MONSTERS