The Local Flavor

 is a Fallout 3 quest and achievement that is added to the game with the Point Lookout add-on. It is the first quest of the DLC's main quest line.

Finding Point Lookout
To begin this quest simply wait (real-time) until a message appears informing you about the Duchess Gambit, then make the quest your active quest and follow the quest maker to Riverboat Landing in southern downtown DC. When you arrive at the dock, a woman (Catherine) will walk up to you and start talking to you about her daughter Nadine. After talking with her, walk up to the man leaning against the door of the boat (Tobar) and he will begin talking to you. After he finishes talking to you, buy a ticket from him. After you have acquired a ticket, walk to the back of the boat and look for a Passenger Cot. Activate the cot. It appears that the enemies you find there can take quite a few hits, even on only normal and can do considerable damage.

Clearing Calvert Mansion
Once you arrive at Point Lookout, follow your quest marker to Calvert Mansion and go inside. When you enter, you should notice a ghoul in a white business suit and two dogs fighting several Tribals. Kill the Tribals then speak to Desmond. Follow Desmond to the bathrooms and kill the Tribals in the area.

After all the Tribals are dead, follow Desmond to another part of the Mansion. Go through the doors he opens, and kill the Tribal that falls from the ceiling. Proceed through the area, killing all Tribals you encounter. Once you get to the source of the invasion look for a inoperable door with a red pipe in the room on the other side of it. Shoot at the pipe to trigger an explosion that seals off the area. Follow Desmond to the next area.

In the next area, you will only go several steps before falling two stories to the basement floor. Amazingly, you suffer no damage. Continue moving your way through the mansion, killing Tribals. As with the other side, look for a red pipe on the opposite side of an inoperable door to seal off the entrance. After closing up the final breach, follow Desmond back to the main room.

The Final Assault
Once you return to the main entrance, Desmond will inform you of an impending attack. Follow his advice and lay down any mines you have. You can find some mines in a lock box behind Desmond's upstairs barricade. When placing your mines, keep in mind that the Tribals will enter from a multitude of directions, not just the front door. The Tribals enter in waves of 3-5 from, in order, the upper right, upper left, lower left, and center doorways. Since they must enter through the narrow doorways, area of effect weapons will be very helpful here. Weapons with large bullet spreads, such as shotguns or miniguns will also be helpful. After fending off the last of the Tribals, you must speak to Desmond, who gives you the Superior Defender perk. The conversation leads into the next quest, Walking with Spirits.

Bugs
In 'The Final Assault' (Walkthrough above) be careful when placing mines. Any unexploded mines left after the last wave can be set off by Desmond, making him immediately hostile and rendering the main quest thread unplayable (PC, 360).

If during the quest if you are hidden with the Chinese stealth armor (from Operation Anchorage) and try to put a live explosive in the inventory of an invading tribal and are caught the tribal will call you a thief and keep running around as if there is no one there. If you attack them even after you are caught you will still receive a sneak attack critical on them.

When helping Desmond clear the mansion, he may stop in the bathroom and only say "Help me kill these bastards while I think up a plan" despite all the tribals in the area being dead, making it impossible to continue the quest.(360)

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