From the introduction:
Remnant is the high fantasy, magitech world of RWBY, with airships, gadgets, high-tech weaponry and a form of natural energy called Dust, existing side by side.
Vytal is the name of the continent in which the kingdom of Vale and the city of Vale are located. The other three kingdoms are Mistral, Atlas, and Vacuo.
Additionally, during the opening narration, four settlements on three different continents are visually highlighted.
Five continents are known to exist, but the other four have not been explicitly named.
User summary:
The Remnant Suppliment [sic] is a fan-created game product that uses intellectual property and images in a copyright-infringing manner.
Both Bleach and RWBY are manga media franchises (used here without permission).