The Glowing Plant is a treasure found in The Abyss, it is hidden in a secret area in the western side of The Abyss. If you travel from the eastern area of The Abyss to the western using the lower of the two entrances, then look at your minimap, you will see a hidden area in the roof of the tunnel not far to the left of the entrance.
Once obtained, the Glowing Plant will appear in a dark room at the bottom of Naija's Home and will attract glowing jellyfish.
The in game text reads "Its twin bulbs drew jellyfish up from the deep."
