It’s a cool setup for a new IP, and it wastes no time in pulling you into the adventure.
These spirits are represented by wooden masks, which are carved for the deceased and are symbolically meant to degrade in sync with the wearer’s transition into the spirit world.
In terms of a story hook, I was on board right away: you play as Kena, a largely stoic but not silent spirit guide who’s trained to help the dead let go of their sorrow and anger in this life so that they can fully enter the next.