Video Guide!
We can visit the Sand Sea Ruins in the far east part of Shatterscarp at any point after arriving in this area; however, we will also be sent here as part of the Heart of Valor side quest. Either way, I’ll be showing the path to the entrance of the ruins as it is kind of hidden, just keep in mind there will be enemies throughout this area but I have already cleared them out.
Once inside the Sand Sea Ruins, we can go forward to immediately find a danger sign next to a lever. After reading the sign, interact with the lever to get hit with a swinging log trap. As a warning it took about 30 extra seconds for this to register and for my achievement to pop