About the mission:
- Difficulty - 3/5
- Employer: Hadisi (Mataka Village)
- Reward: 5 Throwing Knives
Approach Hadisi and talk to him. You'll get to know that you have to help his brother before he let you in. Listen to radio talk of Harlow and Jane Hanson MD, from which you'll know that you need a bark of cinchona tree.
Game will marked three points on your map, east from swamps - nearby Destroyed Road which you've visited already. You can visit those places in random sequence, but I recommend to search the location on the far north. This point is next to the beach, so you can easily get there in boat (from west).
After getting closer, game will marked a northern cave to explore. Defeat nearby Walkers and Infested and enter the cave heading north.
New zombies are in the main cavern, and you find here also untypical one: burning Infested. Luckily, he isn't a real threat. Kill him before he get near you. If you won't, treat him like a regular zombie..
After eliminating a main group of zombies, resume exploration of the cave. Bark of cinchona tree can be found at the small camp at the very end of cave.
Exit the cave. Now head for a point straight on the south. You can get there from two sides, but I recommend getting to the main road and then heading south. Eliminate nearby zombies and reach lianas via which you can climb up.
Search this area. Bark of cinchona tree lies nearby skulls.
Now you need to find the last one bark, which is in the southern-east point: Moazik Temple. Get there from the northern side, begin from the crossroads nearby Destroyed Road. You'll probably meet few zombies on your way, but they'll be weak.
When you get to the temple, search an area around the altar, eliminating Walkers and Infested. Bark of cinchona tree lies on the ground, next to the baskets.