Ghaster's mood improved greatly. The prospect of beating Soverick or at least being able to fight on equal terms with him is more than enough to brighten his day.
"I've got to prepare. I dropped my hammer back there so I need to get another one. I should probably get a better one. I also need to bulk up my body. Maybe I should reach the peak of transcendence too."
He began listing the things he needs for the competition. He doesn't want his old hammer back because he will need to return to get it and he doesn't want to do that. He doesn't want to be anywhere near Soverick right now. Getting reminded of his torment will bring back the memories of his trauma. His hammer is a sacrifice he is willing to make to avoid meeting Soverick.
He also needs to recover the body mass he lost and gain more to reach the peak of Transcendence. He is just a new transcendent and has yet to reach the limit. Any improvement he gets will increase his chances of besting Soverick.