Are these two sentences properly worded?

FYI- Malystryx is the red dragon. Malystryx advised Khellendros that it was her wish to rule over all of Ansalon with him as king and her as queen, and that she planned on making her red dragon lieutenant Ferno into the new Dragon Overlord who would rule over her domain. However, Ferno was killed shortly thereafter by a mysterious shadow dragon.