Thalassor
Thalassor is an esva of the HIDRO class. It is form 2 of 2 in its family.
reviewed 8 August 2026
What it is
Thalassor is an esva of the HIDRO class. It is form 2 of 2 in its family.
| Class | HIDRO |
| Secondary class | GEO |
| Stage | 2 / 2 |
How I do it
In development
What is missing: the quadrants where Thalassor appears
What already holds: the species exists, the name is final, and the class and family do not change.
What I get — and what it costs
What I get
Thalassor in your collectionContaining a species for the first time records it in your Register and counts toward the quadrant.on the first containment
What it costs