Quick answer
Guardian Spirits are powerful beings the player befriends and helps as part of reviving and revitalizing Teradea.
Confirmed details
- They are central to the restoration journey.
- Natsume calls them powerful.
- The publisher has promised more information about their mystery.
What this means for players
Their names, locations, abilities, quests, and total number are not yet disclosed.
This answer is intentionally limited to the current game’s published information. It does not import values, characters, schedules, or mechanics from earlier Harvest Moon titles.
Official source
Natsume title announcement — March 11, 2026. Independently summarized and checked on 2026-07-19.