Tower of Fantasy has many side quests, but some are more important than others. You must complete certain missions to get a 100% completion rate. Snowfield Expedition is one of those side quests that you have to complete to get a full completion rate on the fifth part of the main story. In the mission, you must recover three transponders and help the captain of the expedition to recover the data. However, you need to find the location of the quest first to start it. Here’s how to find and complete the Snowfield Expedition side quest in Tower of Fantasy.
Snowfield Expedition side quest location
The search is at the Warren Shelter in Warren Snowfield. Conan gives it, sitting behind the counter of his store. Also, the game will mark the mission location on your map when you are near the mission area. To start the quest, go and talk to Conan.
Snowfield Expedition Side Quest Walkthrough

After talking to Conan, you will get the first objective: retrieve three transponders. The objective will mark all three of them on your map, but they can be tricky to find. The first device is under a tree at the marked location. To get to the second one, slide from the first location and go straight to it.

You will see some broken fireworks devices around the place, but the one you need is under the cliff; it is hidden behind the snowy mountain, so you have to be on the lookout. Lastly, head to the target area to get the third one; you will easily spot it.

After retrieving all three transponders, you will need to climb a huge mountain to install the transponder there. Now you need to follow the objective to find the captain of the expedition. Once you follow the objectives you will find the captain; Talk to him and he will ask for your help in recovering the stolen data from Aida’s heirs.

Lastly, fight the Inheritors, and when you defeat them all, the target will mark the location of the data for you. Claim the data from there and deliver it to the captain. If he does, he will complete his Snowfield Expedition side quest and reward you with XP points.