Thalia (Earth-5875)

Thalia is a planet in the Orion Arm of the Milky Way galaxy, and home to numerous coniferous trees.

History
In the Great Schism, a resource enclave of kig-yar and jiralhanae loyal to the Hierarchs and the Covenant had settled an outpost in the northern highlands of the planet, until they were slaughtered by Silent Shadow forces led by Resa 'Azavayl in 2553.