Slender - Sit by Bonfire description

The story of 2 kids who got lost in the forest.
They spend the night in the forest, and light a bonfire.
The night is so scary.
And they know, they are not alone.
There's a Slender near them!
Slender, known as a ghost who likes to kidnap someone!

Help them, by watching their surroundings and keeping the campfire burning.
Tell them to be alert and keep them safe.
Can you?