It's a fantasy role-playing game.

DM: You are Percival de Rolo, a human gunslinger . You are the member of the famous group of adventurers. Previously, Keyleth polymorphs Grog into a gorilla, and she herself Beast Shapes into a giant eagle. Everyone moves through the bog canopy and enters a shaded nightfall in proximity to the giant tree.
DM: They're below the treeline. Percy, as you get closer you begin to notice that the actual roots of the tree almost come 10 feet up before they merge with the outside of the tree itself, a number of--
Player: Is it a solid trunk, or is it like a combined trunk?
DM: It's a solid trunk in most of its places, but there are swaths of vines that wrap around it and curl and create these giant, tight nets, almost like a Rat King of tails across certain portions of its exterior near the base, and where some of the roots join with the central tree trunk.
Player: I'm gonna back up and try and find a place to scan the ground, find a place to put a door for our mansion.
DM: Okay.
Player: Safe.
DM: Okay, I mean, there are a number of areas that are somewhat clear on the ground, but there is no-- All the landscape is coated with this molasses-type material, even the bits that aren't submerged and are relatively shallow, there is still that substance all across them.
