Start this quest by talking to the wounded Thok near a campfire west of the strider site. He’ll ask for your help in finding his daughter. Activate the quest then head to the marker to the south look for Arana.
When you’re near the search area, you’ll hear her calling for help. She’s trapped in the elevated platform by watchers. You have to kill the watchers so that Arana can climb down. After taking out the watchers, Arana will climb down. Talk to her and send her back to her father. However, as an additional request, you were asked to retrieve her late mother’s prized spear.
The next step to follow Arana’s track to learn where she lost her spear. Activate your focus and scan the area for tracks. Press R1 to highlight the track. Follow Arana’s track until you reach the end of her trail. This time, use your Focus once more to examine where her trail ends then press R1 again to highlight the scrapper’s track.
Keep following the scrappers track this time until you find its den, alongside other scrappers and some watchers in the snowy hills near the southern embrace. It will be suicide to attack them head on so it will be better to utilize traps and your tripcaster to avoid getting overwhelmed. There’s a ladder on the right side of the mountain that you can climb so you can get into a favorable position without alerting the machines.
Once you’re in position, attack and eliminate all machines. You need to loot the specific scrapper that took Arana’s spear. You can also take out all remaining machines for extra experience and loot. When you’re done, fast-travel to the campfire near Thok and deliver the spear to complete the quest.