Clash: Artifacts of Chaos

This is not a guide. However, this is meant to clarify what the achievement is requesting. In the game, the player can have Pseudo interact with the tent at campsites to wake up at night, which changes him into his night avatar. This is necessary to acquire the body parts.

Once awake at night, the player will want to explore accessible areas to find shrines carrying body parts; only one piece will be found at each.

Note - I will update with a picture once my screenshot has uploaded to the site.

Be sure to explore areas both in the day (for special attacks) and night (for body parts and nightmare bosses.)