Gu Jin had two elements that were still working.
One was a mutated plant and the other was necromancy.
Gu Jin didn't dare to use the necromancy element without any qualms. In Fu Jio city there was hardly anyone who knew about necromancy elements but the same can't be said for students and professors of Beijing University.
She didn't dare to take risks.
With the mentality of not seeing too much blood, she stationed her skeleton warrior in the shadows of other students.
Was she doing it because she was a saint? Hell no.
If the students slowly died, the earth mage wouldn't have enough time to make the boat.
There is a strength in number. So Gu Jin wanted all the students to survive.
Hence whenever any students were on the edge of dying, they would be miraculously saved by the skeleton warrior in their shadow.
At first, the students were wary and even afraid, fearing it was some strange kind of creature.