When Kaerno told Adam that there were several unranked monsters in the Hollow Lands possessing formidable power, it became clear to anyone with his experience and knowledge that conflict between these monsters was inevitable.
Batar and Narha were among such monsters. Each possessed enough strength to defeat Sarka, Loargh, Vyora, and many other Fangs, despite lacking that rank.
They had other priorities, but even they could not ignore an event such as a Phantom participating in the Grim Court. On the contrary, for each of them, this became the very spark that finally made them change their minds and show their true strength.
But, before any of them found themselves in the arena under the gaze of hundreds of spectators and other Fangs, Thorns, and Fingers, they had to decide among themselves who was worthy of it.
