Demonic Devourer by Aaron Shih

Death is not the end. But the hells might just end Evelyn's story. They're a strange, dangerous place, and as it turns out, the hells have connections to the Titans . . . and the system itself. Sapphire wants something out of them. The worlds are falling apart at the seams. In the madness, all Evelyn knows is a handful of truths. She will advance. She will survive. She will kill. And she will DEVOUR. Experience the thrilling conclusion to Demonic Devourer in the third book of a bloody, action-packed LitRPG series featuring more powerful skills, more broken systems, and a protagonist who refuses to lose!