Olivia had finally experienced what we call "receiving troops with food and drink." Her enemies no longer had the fight left in them. It was mainly because they were terrified beyond belief. Olivia's forces wielded magical crystal cannons that could destroy everything within a 10km radius. This Empress Regnant had already unified the Northern Kingdoms -- why even bother resisting?
Footsoldiers lost their morale, almost losing their marbles. Stubborn nobles even attempted to fund their private army to hold the Empress Regnant back. It was no surprise to learn that they were absolutely decimated!
They were not resisting a revolution or any of that sort. They had far simpler, selfish reasons -- retaining their privileges. They did not want to be nobles with just honorary titles. However, Olivia wanted to take back everything for the country by doing land reforms. She would slay anyone who opposed her...