The heroes storm the Temple of R’gu, the God From The Stars, to steal the Ruby of the Winged Master
Enter the Kingdom of Frog King in search of Treasure. What deal will you have to strike to get out alive?
Real World: some Indians in the Amazon treat their eyes with a traditional potion applied with palm leaves. Brutally painful, the drug alters vision, giving the jungle's dense green walls greater texture and dimension. You could adapt this to desert or swamps, or other hard to navigate regions.