SO MUCH INFORMATION!
1: Ruby is a complete and total dork, I mean, just look at her
2: The gunscythe is one of the most dangerous weapons ever designed
3: Ruby attends Signal Academy, and her uncle, a man named Crow, teaches there. He took her under his wing (ha. ha. ha.) and taught her how to use the gunscythe.
4: Ruby isn’t just a dork, she’s an ultra dork
5: She aspires to become a Huntress herself, a slayer of monsters(!)
6: She’s on her way to graduating Signal, and entering Beacon Academy, where her sister (probably Yang) is, who also wants to be a Huntress
7: Ruby isn’t just an ultra dork, she’s dork supreme.