“We're going to need a way to create an artificial nexus at your tower.
I know where we can get what we need, but it's heavily protected. We don't have the firepower to just waltz in the front door.
I have a plan - a scroll of mass teleportation.
The fungal giants and spore creatures down below are covered in pustules filled with an oily substance. If we gather enough of the oil I can craft a makeshift ink substitute for the scroll.”