Torch
Tools-Plus
Torch is a light in Grounded. In-game it is described as: "Provides light in dark places. Held in the weak hand."
A light source — useful anywhere the ceiling blocks the sun.
It is unlocked or obtained via Discover Sap or Dry Grass Chunk.
Verdict: Overall Torch is a light.
Discover Sap or Dry Grass Chunk
How to get
Provides light in dark places. Held in the weak hand.