The Solari Expanse
Agious is the celestial plane of the double-hearted unicorn and home to the goddess Unicest the goddess of love and exploration.
The land is tranquil, filled with many forests and celestial rivers that run rich with holy water.
Creatures of this plane are Chaotic Good with few exceptions. They enjoy music, creating life, no matter how small and insignificant, nurturing and pro-creation.
Regarding visitors from other planes
All creatures non-native are no longer immune to charm effects no matter the source.
Evil aligned creatures kill native wildlife where ever they travel (5ft radius)
Animal Handling check of DC25 is required to tame a double-hearted unicorn