To burn a nest using the lighter in Indiana Jones and the Great Circle, you will need to follow these steps:

1. Acquire the Lighter:
– Head to the village market in Gizeh, which is located north of the Workers’ Area where Nawal’s tent is situated.
– Enter the village and navigate to the central market area where you’ll find a shop with a woman named Asmaa.
– Talk to Asmaa, and she will offer to sell you a lighter for 75 Egyptian pounds. Buy the lighter from her.

2. Locate the Nest:
– Once you have the lighter, you can proceed to the area where the nest is located. You will need to explore various environments, such as tombs and ruins, where Indiana Jones often encounters obstacles that require lighting.

3. Use the Lighter to Burn the Nest:
– When you find the nest, use the lighter by holding the left trigger on your controller to light it up.
– Wave the lighter near the nest to ignite it. This action will likely be necessary to clear a path or reveal hidden items.

Detailed Steps for Burning Obstacles

If you encounter flammable obstacles like red posters or wooden barriers, you can use the lighter as follows:

1. Equip the Lighter:
– Press up on the d-pad to equip the lighter. It will light automatically, but holding the left trigger allows you to light more of the space around you.

2. Light the Obstacle:
– Wave the lighter near candles, bowls of fuel, or torches to light them. This will illuminate dark spaces and allow you to see where you’re going.

3. Burn Away Red Posters:
– If you spot red posters throughout the game, you can burn them using the lighter. Each poster you light will reward you with Adventure Points.

By following these steps, you should be able to effectively use the lighter to burn obstacles and navigate through the game’s environments.