COMPLETED Abyss One: The Magnus - All Quest Walk-through Guide - Beginning to End - SpeedRun
Since everyone been complaining this quest is so hard and request for walkthrough, I hope this video help solves all your quest and puzzle . NOTE : If u got bugged, like door not opening or you cant climb the canon. Just switch your graphic setting to low or med or remastered . then switch back to optimal when u complete the quest .