Here is the full list of all 17 Primal Light achievements.
Complete the game without dying.
Complete the game on HARDCODE mode without using a continue.
Collect all charms.
Complete the game on RELAXED mode.
Complete the game on VETERAN mode.
Complete the game on HARDCORE mode.
Complete Stage 9.
Complete Stage 8.
Collect all max heal upgrades.
Complete Stage 7.
Complete Stage 6.
Collect all max health upgrades.
Complete Stage 5.
Complete Stage 4.
Complete Stage 3.
Complete Stage 2.
Complete Stage 1.