Quick answer
Animal companions can cross terrain, break rocks and fallen trees, reach hidden areas and uncover valuable treasures.
Evidence checked
- Different companions have different abilities.
- Pets, animals and mounts can join adventures.
- Companion utility is part of open-world traversal.
What this does—and does not—confirm
The complete animal-to-ability table and unlock conditions have not yet been released.
This answer covers Harvest Moon: Echoes of Teradea only. It does not copy schedules, gifts, values, controls or mechanics from earlier Harvest Moon games.
Evidence source
Official publisher announcement: Natsume first-trailer announcement — June 18, 2026. Independently summarized and checked on 2026-07-26.