Reeva felt miles better than before. Talking to Max had boosted his self-confidence a bit however, they're not out of the danger zone yet.
Getting out through the vine wall seemed to be impossible since it was too think for them, Reeva could properly activate the demon mode and power through but the people here wouldn't be able to cross.
As the acting apostle, abandoning the people would not look good on his resume beside he couldn't abandon the people because, well, they're people.
"Let's find a skirt on the walls"
That's the only solution he had in mind, the fire had been effective in deterring the vines but they were differnt from the animal which had instruct and eyes, the vines could feel the fire but didn't fear it.