Bartender

The Bartender is an NPC located in the Bar in the Tavern at, near the Graveyard and just above the Slayer's master Maddox the Slayer.

Quest
Talk to the Bartender as part of a quest (to kill 10 zombies). they also advises you that there are more Zombies in the night and that they are stronger.

After killing the zombies, to finish his quest you must travel to the spider's den and complete Haymitch's request as well.

Interface
After completing his request, The Bartender goes into the bar and sells "brews" that can be used in place of Awkward Potions to brew potions with additional stat bonuses.

Dialog

 * Welcome to the Bar, friend!
 * These are trying times, indeed. The is overflowing with monsters! Anyone who comes in is spooked off by the grunts of zombies in the distance.
 * Could you give me a hand? If you help clear out some of these monsters, I'll pay you for it!