Here is the full list of all 10 Swallow the Sea achievements.
Get kissed by the Orro.
100% Swallow the Sea
Complete Swallow the Sea in under 4 minutes.
Complete Swallow the Sea without taking damage.
Consume all Vobbles without dying.
It happens to the best of us.
Consume the Orro.
Complete Swallow the Sea.
Complete Swallow the Sea without dying.
Become an only child.