For some reason, in the final fight against Savathûn, specifically where you must disrupt the ritual twice by traveling to distant towers in a separate dimension to obtain Thread Cutter, one of the portals to teleport you to one of the towers will not teleport me, no matter what angle I approach the portal, rendering me unable to complete the mission. Specifically, it is the portal that activates directly to the right of the stairs you approach after disrupting the ritual and entering the dimension portal for the second time. If a video is needed for further clarity, I can happily provide it.
I do not recall if this is an issue previously stated in a TWAB, or if someone else has already posted about this issue, and if so, I am sorry for repeating something.
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Try sliding in the door.