Hard Times (Part 1)
Without communication amulets, it took Quylla's group a while to assemble the rest of the mages and share their plan with them. The mages from the three great Countries moved ahead of the creatures' path and used their spells to unearth the Sapling's roots.
They were already rotting and sizzling from the inside due to Gremlik's plague working its way toward the main body. All of the energy that the Sapling spent trying to block the infection only made the parasite more powerful, which was good news for the humans.
The mages cast their strongest darkness spells on the roots at the same time. Quylla waited for the others to be done, weakening the underground leviathan before unleashing her tier five spell, Black Light.
Normally, darkness magic would only affect the area where it struck.